WIP: Figure saving
heatmap added to repo
Added a "core.js" file to isolate all of the hard coded values/constants
Changed the hard coded values to constants in the core js file
Added cached images
Some changes in pointers to js and css files

Heatmaps use a different version of d3 and the style css in treex
misc
Merge branch 'harney-devel-figuresave' into harney-devel-jewellintegration

Conflicts:
	django-app/uvcdat_live/exploratory_analysis/models.pyc
	django-app/uvcdat_live/exploratory_analysis/urls.pyc
	django-app/uvcdat_live/exploratory_analysis/views.pyc
Merge branch 'jewell-heatmapdevel' into harney-devel-jewellintegration

Conflicts:
	django-app/uvcdat_live/exploratory_analysis/templates/exploratory_analysis/base.html
Removed style.css from base.html