Support extra activities with launcher intents
Automatically find the most suitable iOS SDK to use (no longer hardcoded to 6.x)
Fix for .png assets in android projects
Support for clang 3.3 on android (enabled by default)
Support for android clang on linux
Merge branch 'master' of github.com:turbulenz/turbulenz_build

* 'master' of github.com:turbulenz/turbulenz_build:
  Support for android clang on linux
  Support for clang 3.3 on android (enabled by default)
  Fix for .png assets in android projects
  Automatically find the most suitable iOS SDK to use (no longer hardcoded to 6.x)
  Support extra activities with launcher intents

Conflicts:
	commands/make_android_project.py