Support building the SDK on Android
Fixex a couple of issues with the patch
Fixed cross-compilation of ffmpeg static libraries
More fixes for building on Android
Fixed wrong path to apply patch
Fixed the detection of the pkg-config for ffmpeg
Fixed linking order for ffmpeg libraries
Double quote doesn't work here
Fixed typo on libraries
Fix ffmpeg library link order
Remove SDL dependency for now
Separated into a library in order to import it on Android later
Merge branch 'android-lib' into android

Conflicts:
	CMakeLists.txt
Remove SDL
Re-apply some fixes lost in a previous merge
Moved headers to a more standar ROS location and install them
Moved headersto include folder and install SDK headers
Merge branch 'android' of github.com:algron/ardrone_autonomy into android

Conflicts:
	CMakeLists.txt
Export needed libraries
Splits the libraries into two files and comments out the thread table from the ardrone_sdk, so that it doesn create a depdendency problem. Breaks native builds, only works with our JNI