Update ScalaTest to 2.0.
Add model for PicasaWeb.
Add PicasaWeb API draft.
Restructure code.
Add unit test for PicasaWeb API.
Cleanup ImgUr API.
Temp commit.
Refactor OAuth / PicasaWebOAuth / ImgUrOAuth.
Add PicasaWebAPI.
Merge branch 'PicasaWeb' into develop
Bump version to 0.1.