Generate GoalsController:
* create nested route
* create goal views
* create goal controller methods
* edit client show view

Clean up:
* remove all unused helpers generated by controller creation.
* remove all unused css and js generated by controller creation.
Refactor ActionPlan#show, goals, and steps views.
Fix buggy step and text partial.
Re-do new and edit forms for Steps.
Merge pull request #14 from MEDAPulse/goals-controller

Goals, Steps, and Texts controller with views