Merge pull request #3 from jakegavin/Module2a

Module2a
Change column named 'review' to 'text' in reviews table
Reorganize routes.rb
Clean up video controller
Test that average is rounded in video spec
Correct sorting
Conform to proper naming conventions for controller specs
Merge pull request #4 from jakegavin/Rev_Mod_1_and_2

Revisions to Modules 1a, 1b, and 2a
Merge pull request #5 from jakegavin/master

Update Module2b