Updated Topology Visualization

Converted hypervisor visualization into a tree with panning and zoom.
Should be helpful for users with larger numbers of hypervisors.
Disable first topology link

Disabled first topology link (link to self). Allowing user to change
this value results in disjointed tree items.
Fix odd characters

Fix odd character at top of console window.
Merge branch 'test' of https://github.com/kevinmeziere/jingles into test-kevin
create moveCanvas function.