diff --git a/.gitignore b/.gitignore
index 39fb081a..b7707c2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,9 @@
 /build
 /captures
 .externalNativeBuild
+.idea
+/*.iml
+
+/app/app-release.apk
+app/app.iml
+app/manifest-merger-release-report.txt
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
deleted file mode 100644
index 7ac24c77..00000000
--- a/.idea/gradle.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-          </set>
-        </option>
-        <option name="resolveModulePerSourceSet" value="false" />
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index ba7052b8..00000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="NullableNotNullManager">
-    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
-    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
-    <option name="myNullables">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
-        </list>
-      </value>
-    </option>
-    <option name="myNotNulls">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
-        </list>
-      </value>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 1026e73f..00000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
-      <module fileurl="file://$PROJECT_DIR$/mobile-wallet.iml" filepath="$PROJECT_DIR$/mobile-wallet.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 7f68460d..00000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 2940d667..4b6deb9d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,12 +3,13 @@ apply plugin: 'com.neenbedankt.android-apt'
 
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
+
     defaultConfig {
         applicationId "org.mifos.mobilewallet"
-        minSdkVersion 15
-        targetSdkVersion 25
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -27,16 +28,29 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.3.1'
 
-    compile 'com.jakewharton:butterknife:8.6.0'
-    apt 'com.jakewharton:butterknife-compiler:8.6.0'
-    annotationProcessor 'com.jakewharton:butterknife-compiler:8.6.0'
+    compile "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
+    compile "com.android.support:design:$rootProject.supportLibraryVersion"
+    compile "com.android.support:cardview-v7:$rootProject.supportLibraryVersion"
+    compile "com.android.support:recyclerview-v7:$rootProject.supportLibraryVersion"
+
+    compile "com.jakewharton:butterknife:$rootProject.butterKnifeVersion"
+    apt "com.jakewharton:butterknife-compiler:$rootProject.butterKnifeVersion"
+    annotationProcessor "com.jakewharton:butterknife-compiler:$rootProject.butterKnifeVersion"
 
     compile 'com.google.dagger:dagger:2.11'
     annotationProcessor 'com.google.dagger:dagger-compiler:2.11'
     apt 'com.google.dagger:dagger-compiler:2.11'
 
+    compile ("com.squareup.retrofit2:retrofit:$rootProject.retrofitVersion") {
+        // exclude Retrofit’s OkHttp peer-dependency module and define your own module import
+        exclude module: 'okhttp'
+    }
+    compile "com.squareup.retrofit2:converter-gson:$rootProject.retrofitVersion"
+    compile "com.squareup.retrofit2:adapter-rxjava:$rootProject.retrofitVersion"
+    compile "com.squareup.okhttp3:okhttp:$rootProject.okHttp3Version"
+    compile "com.squareup.okhttp3:logging-interceptor:$rootProject.okHttp3Version"
+
 
     testCompile 'junit:junit:4.12'
 }
diff --git a/build.gradle b/build.gradle
index 9ce45e89..b14285f1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,3 +26,18 @@ allprojects {
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
+
+ext {
+    // Sdk and tools
+    minSdkVersion = 15
+    targetSdkVersion = 25
+    compileSdkVersion = 25
+    buildToolsVersion = '25.0.2'
+
+    // App dependencies
+    supportLibraryVersion = '25.3.1'
+    daggerVersion = '2.11'
+    retrofitVersion = '2.2.0'
+    okHttp3Version = '3.6.0'
+    butterKnifeVersion = '8.6.0'
+}