WIP: Adding tooltip for explanation of "filter over text"
Added tooltip for the options in the datacart
Cosmetic changes to front end (deletion/refactoring of some files)
Toggled parameters to make front end ready for production mode
Merge branch 'devel' of esg-repo.llnl.gov:esgf-web-fe into devel
More cosmetic changes (substituted try/catch blocks in lieu of throws construct in the controllers)