Use SDK and build tools versions from root project

Author: Dominik Schürmann

Lib/build.gradle

@@ -1,8 +1,8 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "19.1.0"
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
 
     defaultConfig {
         minSdkVersion 9

Lib/src/main/res/values/styles.xml

@@ -13,7 +13,7 @@
     </style>
 
     <!-- Application theme. -->
-    <style name="AppTheme" parent="AppBaseTheme">
+    <style name="KeychainTheme" parent="AppBaseTheme">
         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
     </style>