Dom0 appears first in server memory bar (fixes #12).
No link for Dom0 in server memory bar (fixes #13).
Be clearer if there is no IPs (fixes #9).
Minor missing fix.
Better representation for VMs memory usage in host page (fixes #14).

The scale is not logarithmic but the order is respected.
Sizes are now correctly formatted and use appropriate units.
Better time handling.

Using Moment.js to display dates (fixes #15).
Using our own function to display durations.
Missing file.
Minor cleanup.
Best preferred host handling (fixes #6).