Added ability to open files

HW-2
Cleaned up code for attaching event handlers

HW-2
Adding current progress of homework 2

HW-2

Using angular, and a bit of jquery.
Basic file loader working plus object rendering semicorrect

HW-2

Lots of stuff changed, will be making smaller commits from now on.
Solved lighting problem in addition to other things

HW-2
Merge pull request #2 from Z3rp/feature/HW-2

Feature/hw 2