Set ruby version to 2.0.0
Specs for testing inviting judges
Sets Guard to run a feature test after it was modified instead of running all tests.
Feature for clicking on start an argument button on essays/show.
Adds spec for choosing con_side on new argument page.
Changes factory to start numbering user sequences from 1.
Removes nested route for arguments#new.  Adds custom route for arguments#new
Changes create? argument policy to 'user != nil'
Configures create action to recieve data from arguments/new form.
Removed useless link_to from table data.
Removes form partial and adds a simpleform.  Also replaces back link
with link to root_path.
Adds Start an Argument link to essays/show.