[FIX] Dashboard sorting of events happening now

* closes #1318
[FIX] Double Spacers in Event Left Menu

closes #1383
[FIX] CategoryDisplay getURL() params

- Closes #1370
[FIX] Clean HTML characters for password

- Take parameters before sanitization
- Some PEP08
- Closes #1242
[FIX] Used _doNotSanitizeFields in password fields
[IMP] Added new operation search rooms into Vidyo
[IMP] Added search rooms logic

- Added service
- Added Vidyo search logic
[IMP] Search popup for existing Video Services

- Redesign edit, delete, start, stop, connect buttons
- Closes #1200
[DEL] Deleted unused images
[FIX] Style improving