added cancancan authorization for events and troops
Merge pull request #10 from abmcdubb/agendas

revised activity list parser, migrated data to events table, working on ...
authorization
fixed permissions for user profiles
adjusted navbar so troop now links to own troop page
started work on user edit page
auth changes
merge conflicts
Merge branch 'master' of github.com:abmcdubb/troop_hub into agendas
added agenda planner link to footer