Reduce graph header buttons size to avoid title split on long names

Change the buttons class to min and remove pull-left class on the title area.
Long titles caused the header line to split and breaks the dashboard's
arrangement leaving empty spaces.
Fix issue with metric list in extended graph

Set min height to the metric list to prevent wrong resizing of the container div
Remove unnecessary array sort
Upgrade moment, moment-timezone and underscore

Also reorganize directories for versions
Add sociomantic-specific config and dashboards
Add cactitus

Cactitus is just a frameset with a collapsable tree style menu to work around
graphite's default dropdown menu.

Include mktree js lib for handling the tree menu.
Remove duplicate timezone data