Add migration path from 3.8.3
Feature #1647: Add image/net id to error messages
feature #1370: make novnc-server run in ruby 1.8.7
Feature #1556: onevm update does not allow users to change restricted attributes
Bug #1805: LCM::monitor_suspend_action does not release the host capacity
Bug #1810: Fix oned crash when calling attachdisk with an improperly formated DISK template

Signed-off-by: Simon Boulet <simon@nostalgeek.com>
Bug #1810: Fix oned crash when calling attachnic with an improperly formated NIC template

Signed-off-by: Simon Boulet <simon@nostalgeek.com>
feature #1791: save_as "hot" parameter must be boolean
Bug #1810: One more dynamic_cast check.

This one was safe because the OS attribute must be a vector,
it is enforced by VirtualMachine::parse_os
Feature #1320: Better error messages for image operations
Install migrator files
Remove state checks from get_image_from_disk. Now they are done in set_saveas_state
Feature #1640: onevm show formatting
prevents a VM to stuck in hotplug state
Refactor in VM.cc
Feature #1791: Label the disks being saved as before the RM requests end
Feature #1791: Refactor code
feature #1791: Fix wrong label for disks
Merge branch 'master' into feature-1664