Action Bar Compat

Add reference library.
Add proper style to styles files.
MainActivity extend ActionBarActivity
Change RelativeLayout to LinearLayout
Fix minor lint problems
Splash Activity

* update manifest - version code & name, targetSDKVersion, add splash
activity as launcher.
* add SplashActivity - 2 second splash
* rename 2 xml files
Splash Screen v2

* update splash screen thread to be efficient
* add some splash screen text
Card UI

* change textview to card UI
* change dimens file value to 10dp
* add cardUI to styles.xml
* add drawable (to enable cardUI)
* add colors file