Crear/merge kb cleanup

Hi all, please review and pull for:

  - General cleanup ( #30 )
  - Initial draft of delete functionality ( #37 #36 ). Needs more eye candy.
  - Total time of lists update automagically. ( #38 )
  - Search in UniverseView now works ( #45 )
  - Search is case insensitive in all views ( #48 )
  - Broken drag n' drop behaviour when the list is empty.