for pull request
basic fts models
added full text search
refs #1 added order by
refs #1 remove markdown tag for fts search
refs #1 added api
refs #1 enable AND search
change fts4 to fts3, fix select order
Merge branch 'master' of https://github.com/fortkle/owl into feature_fulltextsearch
refs #1 refactor move fts related function to model
refs #1 fix no results view
refs #1 refactor change class name, because NGram.php sounds not so good
Merge pull request #1 from fortkle/feature_fulltextsearch

Full Text Search
bug fix : exempt limited items from full text search results
added jsonp api
bug fix => api returns invalid item url
Resolve conflict.