Activity.

Out animation isn't right.
Started on Observer pattern

Will be used to notify changes in the LaunchItemProvider.
Merge branch 'master' of github.com:martinhath/drawcut into overlayActivity
Noe ..
A little lower threshold on the gesture matching
Renamed gestureitem_list, and removed the remove button on the action bar.
LauncherItem deletion added: Long press the launcheritem.
Removed "Launch an app" button from the start page.
Added position saving for the floater. Also increase in size and opacity
Limit to one stroke gestures.

Also crash fix when no app was selected.
The Lacunher is now a viewgroup.

Added backgroundtext and a description to the launcher. Back and home button does not work.
Merge branch 'overlayActivity' into dev

Conflicts:
	DrawCut/src/main/java/net/hath/drawcut/Observer.java
	DrawCut/src/main/java/net/hath/drawcut/Subject.java
	DrawCut/src/main/java/net/hath/drawcut/data/GestureLibrary.java
	DrawCut/src/main/java/net/hath/drawcut/data/LaunchItemProvider.java
	DrawCut/src/main/java/net/hath/drawcut/service/HUD.java
	DrawCut/src/main/java/net/hath/drawcut/ui/activitiy/LauncherActivity.java
	DrawCut/src/main/java/net/hath/drawcut/ui/adapter/LaunchItemAdapter.java
	DrawCut/src/main/java/net/hath/drawcut/ui/fragment/LaunchItemListFragment.java
	DrawCut/src/main/res/values/dimens.xml
	DrawCut/src/main/res/values/strings.xml
Merge branch 'viewgroup' into dev

Conflicts:
	DrawCut/src/main/java/net/hath/drawcut/data/GestureLibrary.java
	DrawCut/src/main/java/net/hath/drawcut/service/HUD.java
	DrawCut/src/main/res/values/strings.xml