[doc] features update
[enh] cookie support
[enh] container div added
[enh] number of search results
Merge pull request #2 from stef/master

google images engine
[enh] google images refactor
[mod] engine rename
[mod] content formatting
[enh][mod] ui changes
[enh] soundcloud playlists
[fix][doc] install steps
[enh] css rules
[enh] twitter engine added
[enh] deviantart engine added
[doc] todo added
[doc] issues
[doc] desc
[enh] checkbox redesign
[fix] handling empty resultset
[fix] handling empty resultset II.