SmartGattLib, ViewBadger, GPUImage, NumberPicker &c

Added SmartGattLib, View Badger, Android GPUImage, Android NumberPicker, Android CalendarView, Android Visualizer
Merge pull request #159 from aliHafizji/master

Adding Cheddar for android to android-arsenal
Move Cheddar project in demos.
Merge pull request #160 from kugland/patch-1

SmartGattLib, ViewBadger, GPUImage, NumberPicker &c
Adding splitimageview