Apply Xcode 5 suggested changes to projects
ShowcaseFilterViewController: Avoid retaining self inside blocks
GPUImageHSBFilter: Comment-out unused functions
Fixes infinite loops when call endProcess by adding a flag to check if the filter has already started the end process
Merge pull request #1298 from karlvr/gpuimagepicture-redraw2

GPUImagePicture: check that the memory layout is valid
Merge pull request #1295 from achambers16/fix-endprocess-loop

Fix infinite loops related to endProcess on GPUImageFilter
Removed setActiveShaderProgram and moved glEnableVertexAttribArray to renderAtInternalSize
Update podspec
Merge branch 'refs/heads/fix_xcode5_warnings'

Conflicts:
	framework/Source/GPUImageHSBFilter.m
Update GPUImageMac project to Xcode recommended settings
Merge pull request #1327 from rivera-ernesto/update_podspec

Update podspec
Merge pull request #1264 from rivera-ernesto/fix_xcode5_warnings

Fix Xcode 5 warnings
Merge pull request #1308 from achambers16/fix-RawDataOutput-bad-access

Fix exc-bad-access if GPUImageRawDataOutput is initialized during render
Update all demo projects to Xcode 5 recommended settings, add Default image to iOS projects
ES2Renderer: Remove unused variables
Remove unexistent library path
Fix "Unsupported Configuration - NSOpenGLView in One Shot memory enabled window" warning
Fix memory leaks and blocks' circular retentions
Add Travis configuration
Share demo schemes to enable Travis