* added shader effects
* added setting shaders
* intermediate commit
* added shader implementation
* refatored code
* implemented initial effects
* modified few filters
* modified all effects
* implemented shader while taking picture and video
* updated all effects
* modified all filters range to 0.0f-1.0f
* added control to filter
* added shader effects
* added setting shaders
* intermediate commit
* added shader implementation
* refatored code
* implemented initial effects
* modified few filters
* modified all effects
* implemented shader while taking picture and video
* updated all effects
* modified all filters range to 0.0f-1.0f
* added control to filter
* modified shaders and removed the glsurfaceview dependency
* changed folder structure
* changed allignmen and filters
* added annotations
* code refacor
* changed effect name to filters
* changed filter implementation for image and video
* fixed for travis build