GUI-868
initial conditional display of users/groups/roles in dash and top_nav based on layout settings
GUI-868
pushing this. will wait till blocker cleared to finish testing and improved except clause
Fix __version__ handling

This commit removes the leading 'v' from the version string when it is
drawn directly from git.  It also makes setup() start using that as the
program's version instead of an independently-specified string.
Merge pull request #817 from gholms/version

Fix __version__ handling
Merge pull request #820 from eucalyptus/GUI-868

Gui 868
GUI-1119
removed edit for role path since API doesn't support
made role non-updatable