CA-148332: Right click on a Windows VM brought up the PV linux copy/paste context menu

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
Merge pull request #242 from GaborApatiNagy/CA-148332

CA-148332: Right click on a Windows VM brought up the PV linux copy/past...
CA-148245: Fix the error where XenCenter did not refresh immediately after disconnecting a server

Added a RequestRefreshTreeView on ClearingCache event.

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
Merge pull request #243 from MihaelaStoica/CA-148245

CA-148245: Fix the error where XenCenter did not refresh immediately after disconnecting a server
CA-148374: Progress action disappears in Events on Dismiss all
-Added a where clause to filter out non-completed actions in this case

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
CA-148374: Progress action disappears in Events on Dismiss all
-Also fixed the Dismiss Selected button

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
Merge pull request #245 from GaborApatiNagy/CA-148374_2

CA-148374: Progress action disappears in Events on Dismiss all