Tree View started - edit works

Tree View can be configured in Dashboard
Visualization just begun - not working
Almost working!

But not quite
Somewhat working, basically

Need to add menu functionality
Added Legend, colors
Radial Tree working
Seg wheel working
Added active select modal

And fixed bug in createMarkerTree
Documentation updates
Minor tweaks
Design improvements

Separated dhp-style.css into project and dashboard files
Created legend callbacks in dhp-project to minimize redundancy in
legend creation
Removed redundant text in script files relating to menus
Removed redundancy in dhpUpdateSize functions
Fixed font size reduction
Merge pull request #167 from jehope/tree-views

Tree views