fix manifest error
fix buffer overflow when feeding camera buffer to media codec

well, since the camera preview size somehow cannot be changed, we
changed the buffers of media codec, instead.
at least it will not crash and a file is recorded, but it's a dirty file
fix media encoding crash issue
use API to get storage directory
remove/add comments
well, depends on the input size of onPreviewCallback
handle surface change to set camera parameters
Merge branch 'develop' into feature/capturing-encoding-saving

Conflicts:
	AndroidManifest.xml
	src/com/zillians/verd/ui/VerdActivity.java
Merge pull request #3 from yij/feature/capturing-encoding-saving

Feature/capturing encoding saving