Performance tweaks: remove array_push, skip GD, some minors
Some changed to how args are processed. Minor UI tweak
Merge pull request #5 from JeLuF/perf

Performance tweaks: remove array_push, skip GD, some minors
Removed puppetrun lines. Some code cleanup.
Updated jquery
Enabling cactiStyle for metric graphs
Also hide redundant metric name
Don't compact values in Legend
Create SVG images instead of png.
This allows for much better quality graphs.
Some minor polishes to the Timeperiods graph page