feature #2862: novnc did not start in centos sunstone script

Also some whitespace fixing
feature #2909: Refactor vm list and vm info, so it can be appended to any div
feature #2909: Add accordion layout to the flows list
Bug #2982: fix onedb import-slave to take into account deleted users

(cherry picked from commit 701247a62675ebe296e8f7685b66c095b3a73a67)