Added search for contents.
Fixed wrong use order.
Fixed sql query.
Changed join handling.
Added missing search index update and fixed search conditions.
Clarified phpDoc.
Beautified source code.
Added getUserProfile method.
Added missing SearchResultObject implementation.
Fixed names.
Added missing method.
Added missing use.
Added missing language variables.
Added search area settings.
Added quick search functionality.
Merge pull request #123 from frmwrk123/feature/search

Added search functionality.