update unknown closed_motions method name
Merge pull request #903 from loomio/bug/fix-previous-proposals

update unknown closed_motions method name to motions.closed
Add Bulgarian to languages. Update Netherlands.
Fix intermittent failing cuke
Tweaks to language selection bar; fix font on blockquotes; fix bad breaks on context panel user names
Merge pull request #905 from loomio/design/tweak

Tweaks to language selection bar; fix font on blockquotes
Merge pull request #904 from loomio/feature/bulgarian

Add Bulgarian to languages. Update Netherlands.
add in placeholders in ie7 & ie8
Merge pull request #910 from loomio/ie_placeholders

add in placeholders in ie7 & ie8
redirect user to home
Merge pull request #902 from loomio/bug/replace-leave-group-message

redirect user to home when leaving group
ensure show discussion works. inbox checks this requirement.
disable sign-up button when clicked
Merge pull request #920 from loomio/bug/inbox-mark-as-read-broken

fixes inbox mark as read.
Merge pull request #921 from loomio/fix/disable-signup-button-signup-form

disable sign-up button when clicked
New contribute icon & tooltip; title case for search placeholder
Merge pull request #922 from loomio/heart-icon

New contribute icon & tooltip; title case for search placeholder
Merge branch 'master' of github.com:loomio/loomio into bug/migrate-membership-requests