Add basic NIC support to VM Wizard

refs #11961
Add CSS for javascript to dynamically hide/show NICS.

refs #11961
Fix NIC validation.

refs #11961
Fixed conflicts with develop causing tests to fail

Added help_text to nic fields

refs #11961
Change link to display no whitespace

refs #12789
caps: Added a capability check has_sharedfile()

refs #11643
has_sharedfile() now used in the add form wizard

refs #11643
sharedfile: moved to constants, remove option if < GANET26

refs #11643
Fix extra whitespace in link tag to remove graphical error

refs #12813
Merge branch 'enhancement/11643' into develop

* enhancement/11643:
  sharedfile: moved to constants, remove option if < GANET26
  has_sharedfile() now used in the add form wizard
  caps: Added a capability check has_sharedfile()
Merge branch 'bug/12789' into develop

* bug/12789:
  Change link to display no whitespace
Merge branch 'bug/12813' into develop

* bug/12813:
  Fix extra whitespace in link tag to remove graphical error
Merge branch 'enhancement/11961' into develop