Fix gradle build by bumping plugin version

Also add tools:replace since it's now needed as part of the manifest merger

AndroidManifest.xml

@@ -57,7 +57,9 @@
         android:description="@string/app_description"
         android:allowBackup="true"
         android:theme="@style/AppThemeDark"
-        android:supportsRtl="true" >
+        android:supportsRtl="true"
+        tools:replace="theme, icon, label"
+        >
 
         <provider
             android:authorities="org.fdroid.fdroid.data.AppProvider"

build.gradle

@@ -3,7 +3,7 @@ buildscript {
 		mavenCentral()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:0.10.0'
+		classpath 'com.android.tools.build:gradle:0.12.2'
 	}
 }