CLOUDSTACK-7959: fixed 'qemu-img convert' compat issue
specifying MinVRVersion as 4.5.0 for the 4.5 branch
Merge branch 'hotfix/4.5-7959' into 4.5
developer: increase disable thresholds global settings for developers

- Increases the disable thresholds for developers
- Removes the use local storage for systemvms

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
(cherry picked from commit 314e2daceeeecccdbdc34973d039d16817d2d166)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Fixing an issue related to figuring out the name of a datastore that is backed by managed storage
CLOUDSTACK-8047: UI > zone wizard > add primary storage step: (zone-wide-primary-storage) fix a bug that failed to get cluster's hypervisor value if previous step (e.g. add host step) has ever failed.
CLOUDSTACK-7994: Network rules are not configured in VR after out-of-band movement due to host crash
The last commit 513adab51b53ba1acdea908225cfffab90ca1595 didn't fully fix it. Scenario #1 was not handled, only #2 was handled.
Fixed #1 as part of this commit.
1. If VM is in stopped state in CS due to 'PowerMissing' report from old host (hostId is null) and then there is a 'PowerOn' report from new host
2. If VM is in running state in CS and there is a 'PowerOn' report from new host
Merge branch '4.5'

Conflicts:
	server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
	tools/appliance/build.sh