bug #3309: OpenNebula.systems support does not work with an empty issue list

(cherry picked from commit f495cdf488a9cc5cfb2e717af107fedd1d95146c)
bug #3318: Ebtables Vnet driver does not use PHYDEV

(cherry picked from commit e141bd27fc148bb1ccec6d24f44925d31d42c813)
bug #3314: Creating a vnet reservation with spaces in the name gives error

(cherry picked from commit f9299ea90004190dd98184092976848268563e39)
bug #3296: VNet wizard for 802.1Q driver always asks for PHYDEV

(cherry picked from commit 28714d0ecfcc4cebe627bebd85d167eca6a1c893)
bug #3316: In cloud view the button to create a new VM does not work after creating one VM

(cherry picked from commit 34b4d8836d9a20abd0d641d091a3727fc47cfa76)
bug #3294: hybrid tab not available in vcenter view in the template creation dialog

(cherry picked from commit 667faf9668a741a1ae94af8a185a4124f72234b7)
bug #3282: VM refresh hides the graphs

(cherry picked from commit e4d34aa8492e5449045d6ce6b74e96c45aeaddbe)