added initial pagination to controllers.js
simplified controller code for pagination
fixes frontend part of #9, #10 and #11
simplified array initialization
removed headercontroller and replaced with angularstrap. Probably doing this for pagination as well.
added pagination angular-ui
added pagination template
added pagination to demo ui for #9, #10 and #11
added documentation
added pagination to demo ui for #10
added pagination choices to demo ui for #9, #10 and #11