Be consistent with bundle exec

You need bundle exec for all of the commands, not just items 5 and 6
do not disable the radio button in the avatar selection modal
Refactored user activation business logic out of UsersController and
into a UserActivator class.
Merge pull request #1367 from einarj/cleanup_user_activation

Moved user activation business logic out of UsersController
Merge pull request #1366 from ZogStriP/do-not-disable-the-radio-button

do not disable the radio button in the avatar selection modal
Merge pull request #1363 from johnpaulashenfelter/patch-1

Be consistent with bundle exec
Replace Markdown parser.
Log site customization changes. Use a modal to show staff action log details for site customizations.
Log when a site customization is deleted
Show staff action log details in a modal
FIX: Weird markdown in digest emails
FIX: @mentions within simple quotes
Fix 'You must choose a category' when a category is already chosen
removed clockwork reference from docs
updated english translation
took a stab at other translations with help from google
FIX: Another email regexp for quote lines in the format we can recognize including
the site name.
Merge pull request #1368 from johnpaulashenfelter/documentation/remove_references_to_clockwork

Remove references to clockwork
benching script, work in progress
only staff should be able to see bookmarks and favs of other users
ensure that when they click on them they see the correct topics (topics for user they are looking at, not current user)