Reworked templates
Fixed Chipmunk download, if not git repo
Fixed wrong check in install.sh
iOS templates done, fixed typo in physics body
Working on OSX tempaltes
Fixed mac templates
Improved organization, improved script
Updated the README.md file with new info
Added new hello world template for iOS
Merge remote-tracking branch 'upstream/develop-v3' into develop-v3
Fixed OS X templates
Changed chipmunk to be a static lib, updated new icon
Merge pull request #356 from nickskull/develop-v3

New installer script, fixed templates, fixed bugs/typos and updated icon (fixes #350)