Update gitignore structure.

Refactor out gitignore in /other/serialTest.
Add some more noticable headers.
Some simplifaction and restructuring.
Clean up some files.
Refactor out lib platform gitignore files.
Refactor out some gitignore files from AdvancedImageLoading.
Remove erroneously committed XCode project components. Closes #2057.
gitignore: correct comment spacing, minor updates.
changing releaseAll to clear bugs
ensuring that element is null
Fixed loadDialogBrowseCallback to return UNICODE string.
In ofSystemLoadDialog, passed windowTitle into dialog box.
Merge pull request #1 from openframeworks/master

merge openFrameworks master
Fix typo
Clarified some error messages
Clarified some error messages
Added error message when JNIEnv can't be obtained
Fixed error with texture binding in the AndroidVideoGrabber when apps goes to background.
remove unused portaudio sound stream impl.
Merge branch 'master' of github.com:openframeworks/openFrameworks
makefile: remove dependency with portaudio
CHANGELOG: removed portaudio
remove portaudio unused files
OFAndroid: trying to fix failed toLower when retrieving app name