Merge pull request #356 from nickskull/develop-v3

New installer script, fixed templates, fixed bugs/typos and updated icon (fixes #350)
Merge pull request #357 from nickskull/develop-v3

Fixed OS X chipmunk fat library bug
Merge pull request #358 from nickskull/develop-v3

Fixed issues with template installer script
add resetOnVisibility flag to particle system'
Adds support for ObjectAL as audio engine
Removes templates folder from osx project
Merge pull request #1 from jtwigg/develop-v3

add resetOnVisibility flag to particle system'
Merge remote-tracking branch 'upstream/develop-v3' into develop-v3
Added new audio library to templates