Added SESI query interface module to improve query interface.

For now, the only change is hiding the general information fieldset
Implemented functionality to delete constraints as well
Merge remote branch 'origin/master' into features/query-interface
Added executable flag for drupalpull.sh
Changed query interface module to separate variables into two lists
Implemented specifying a constraint in the query screen and adding/deleting constraints
Merge branch 'master' into features/query-interface
Added newline at the end of file
Changed cancel-button in edit query term popup
Changed the layout of the table showing existing query terms
Install and enable Easy Social module and it's default configuration.
Changed the contents of the table with variables
Implemented showing taxonomies of variables on the query screen
Whitespace
Split the query_interface module into multiple files
Implemented fulltext search on query screen
Initial addition of taxonomy tree structure
Bugfix in javascripts in other screens than the query_interface
Install and enable Twitter module and its dependencies.
Implemented filling the taxonomy tree with the right tree