created constructor for Picture model
Merge branch 'dev' of https://github.com/CMPUT301W14T06/LARD into dev
onActivityResult in NewCommentActivity now accepts CAMERA_REQUEST_ID as a valid id
now using Base64 for encoding and decoding our image string
Merge branch 'Picture' into dev
Merge branch 'dev' of https://github.com/CMPUT301W14T06/LARD into dev
Merge branch 'dev' of https://github.com/CMPUT301W14T06/LARD into dev