Add keepOriginal attribute

keepOriginal will controll whether gimlet deletes splash source files
after copying then to the final destination. This can potentially save
huge chunks of app size.
Add keep_original attribute to image object

keep_original will be used to control whether the source file for
splash images get deleted after copy.
use global syntax for keeporiginal flag
Use language naming conventions
[android] pg camera feature should generate uses-feature camera
+ not just uses-permission
+ also refactored some duplicate code into method translate_feature
[specs] fixing broken android specs
[Gemfile] updating confetti dep version
Merge pull request #29 from wildabeast/camera-feature

Add uses-feature camera when using the PG camera permission
[version] bumping to 0.9.18
[android] windowSoftInputMode and targetSdkVersion
Merge pull request #30 from wildabeast/android-updates

[android] windowSoftInputMode and targetSdkVersion
Merge pull request #28 from bobeast/master

Add keepOriginal attribute