Merge pull request #111 from therobinkim/master

update README.md
add ng-class to remaining arrow icons
add calendar and input field to top of chart  display
Merge pull request #113 from mdaxtman/modularize

Add calendar icons to top of chart views enable arrow icons for item and item-tactic
change dropdown style, add rounded corners to graph, position graph
add legend
add refresh glyphs
change colors
Merge pull request #112 from dnc223/dan

change dropdown style, add rounded corners to graph, position graph
fix line chart positioning