Fixed to return correct filename and also fixed api key

Fixed to return correct filename into onActivityResult and also fixed
api key because the JsonObject does not return the api key, so when
need to put them manually
Fixed to return filename and improved security for the private api key
Improved documentation with new system
Solved CAMERA bug
Added other resources
Merge pull request #33 from FireZenk/master

Fixed to return correct filename and also fixed api key