Title now is OMG Monitor.
Title is now OMG Gauge.
Escape special characters in chart's div id

I've found a problem when the monitors ID contains dot (like in "cw.sa-east").
The solution was to escape special characters in the ID:
http://stackoverflow.com/questions/605630/how-to-select-html-nodes-by-id-with-jquery-when-the-id-contains-a-dot
Change cpu variable, as it's a general metric now.