Merge pull request #728 from loomio/bug/proposal-already-exists

Fix existing proposal error.
update haml mailers to do nicer formatting, include proposal detail in several emails
update pages.css
character counter added to desciption field
fixes #741 by passing task to delayed_job
prevent group requests from being deleted if there is a group associated
Merge pull request #776 from loomio/bug/remove-group-requests-destroy-from-active-admin

prevent group requests from being deleted if there is a group associated
Add extra cautious save to GroupRequest#approve!
Merge pull request #770 from loomio/bug/discussion-destroy-is-timing-out

fixes #741 by passing task to delayed_job
Add more error catching to debug funky group request stuff
Merge branch 'master' of github.com:loomio/loomio
Fix failing specs
Acts as state machine, you little devil... :imp:
Add group to group request admin page
Remove piwik until we've set it up on our own server
Refactor Google analytics inclusions
Merge pull request #779 from loomio/refactor/google-analytics

Refactor Google analytics inclusions
Merge pull request #764 from loomio/bug/group-setup-description-validation

Bug/group setup description validation
refactor css
Merge pull request #738 from loomio/refactor/css-overhaul-groups

refactor css