Restructure API lib folder to support Eclipse

libraries/keychain-api-library/src/main/AndroidManifest.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="org.sufficientlysecure.keychain.api"
-    android:versionCode="1"
-    android:versionName="1.0" >
-
-    <uses-sdk
-        android:minSdkVersion="9"
-        android:targetSdkVersion="19" />
-
-    <application/>
-
-</manifest>