Merge branch 'development'
commit(Humphrey)
Update .gitignore
Delete .project
choropleth functionality
choropleth
choropleth
Fixed missing dependencies in package.json. Fixed compatibility issue with newer AngularJS versions and lvlDragDrop.
Removed some bad spacing. Changed cursor on buttons to make more sense. Added default image for the vis preview.
Numerous changes to usability. Fixed graphs not showing properly.
corrections to readme.
some minor changes.
code cleanup. pointed choropleth option to choropleth data.
merging develop... i hope.
removing garbage.
cleanup
fixing error with updating existing data set. mongoose is not handling the nested data structure well.