Move Network Topology to the top of "Manage Network" group

Fixes bug 1223236

Change-Id: I8d7c76a995a59417aec3e6bf5092f68402015d6a
Added button to Reboot multiple instances

Added a "Soft Reboot" button to reboot multiple instances from the project's
Instances panel, just like it is possible to Terminate multiple instances.

Change-Id: I61f61584888ebb61c835dadee9056f0657fa756e
Closes-Bug: #1213839
Merge "Added button to Reboot multiple instances"
Merge "Move Network Topology to the top of "Manage Network" group"