Fix CloudStack version (4.6.0) in systemvm template
CLOUDSTACK-2823: pass cmdline info to system vms for 30 times
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>
[UI] bug fix: fix update Networks in sub-domain issue by adding listAll=true in listNetworks