Cleanup spelling, change javadocs to javadoc.
Javadoc warning cleanup.
Javadoc warning cleanup.
Javadoc warning cleanup.
Javadoc warning cleanup.
Javadoc warning cleanup.
Javadoc warning cleanup.
Javadoc warnings cleanup.
Implement additional group methods:
  * flickr.groups.join
  * flickr.groups.joinRequest
  * flickr.groups.leave
Merge pull request #47 from tague/issue_32

Implement new groups methods