fix mark all as read in yesteday email
Merge branch 'master' of github.com:loomio/loomio
Allow case insensitive group image uploads
Merge pull request #1544 from loomio/group-upload-bug

Allow case insensitive group image uploads
validate comment on update
merge missed yesterday activation
change scope on explore page
nil to empty string .. duh
Merge branch 'master' of github.com:loomio/loomio
Merge branch 'master' of github.com:andersmartini/loomio into bootstrap3-upgrade