Added small feature to profiler: total execution time count

adds additional information to profiler like:
DATABASE:  test   QUERIES: 3 (0.0016s)  (Hide)
changes according to narfbg's request
changes according to narfbg's request
Merge pull request #2241 from TimHas/develop

Added small feature to profiler: total execution time count
Various cosmetic fixes
Merge pull request #2248 from vlakoff/develop

Various cosmetic fixes