graphs using d3 & angularjs
graph dummy data
Merge branch 'develop' into graphs
use real data for graph
graph clean up
add line graph
response count per day graph
responses per hour graph
clean response graph code
refactor service calls into a function
remove unused erb & js graph files
remove unused actions in graphs_controller
remove unused graphing methods from instrument model
remove unneccessary response methods
remove unused stats files
remove angularjs-nvd3-directives.js
resolve graph & develop branches conflicts
Merge branch 'develop' of https://github.com/mnipper/rails_survey into develop