CCConfiguration extension (rewritten)

rewritten to prevent conflicts while rebasing
Fixes memory bug and adds support for loadConfigFile
Adds ConfigurationTest to the suite
fixes compilation issues on Linux and Android
Merge branch 'ccconfiguration_extension_2' of https://github.com/ricardoquesada/cocos2d-x into ricardoquesada-ccconfiguration_extension_2
fixed #2215: Updating project configuration for other platforms after adding ConfigurationTest.
Merge pull request #2617 from dumganhar/iss2215-ccconfiguration

fixed #2215: CCConfiguration extension (rewritten)