Added images to xcodeproj. And started using them for creating colors
Added new way to render the brush
Rendered all points on an image with some alpha value.
Added point filters to gain more points for drawings.
Also removed the image drawing mechanism.
Added #define for Bezier and Image drawings.
Merge branch 'master' of https://github.com/omkar-ramtekkar/paintapp into TestBranch
Merge pull request #2 from omkar-ramtekkar/TestBranch

merged changes from TestBranch