Add 'serve' task for local dev server

Uses gulp-connect library and live reload at the end of the 'sass' task
Split graphs from index.html into two separate templates
Replace graphs with ng-include, Add two new graphs
Add graphs of login time and platform
Add margin to bottom of bar graph to align all tables
Fix currentDay function not working on Saturdays

Copied code from SchedU
Add bar-graph class to canvas element
Fix LiveReload
Add better error-checking to user platform count, fix dismissal include
Build