Cleanup: Call JUnit a Reporter instead of a Logger
Cleanup: Clarified that Theme plugins are for HTML Reporter

Closes #81
Build: Upgrade to grunt-wordpress 1.1.0 and grunt-jquery-content 0.12.1
Cleanup: Don't specify the number of built-in assertions
Cleanup: Update last instance of 'add-ons' to 'plugins'

Closes #79
Ref jquery/qunit#447