moved server to tempserver to make room for express. set d3 into it's own factory for the directive. removed client/chart.js
removed not needed folders/ files (server files moved to tempserver; chart replaced with d3chart)
refactored naming of practice chart
renamed controller.js to controllers.js; front end has multiple templates with multiple controllers and working d3
renamed controller to controllers.js
directive works. significant progress on cluster graph
Merging upstream master into local
Merge pull request #5 from cooperjbrandon/master

end of day friday pull request