iOS Template Updates

[dimitre]

Removing boost from core and moving configurations to Project.xcconfig, commented out in the likes of osx template

eliminate some warnings by ALWAYS_SEARCH_USER_PATHS = NO

Bundle identifier with iOS in reverse URL identifier PRODUCT_BUNDLE_IDENTIFIER = cc.openFrameworks.iOS.$(TARGET_NAME)

"ENABLE_TESTABILITY": "YES", in Debug

Updating the template to latest version, so it will be easy to add new files (ofAVEngine, etc)

[danoli3]

These changes stale now yeah @dimitre