Update redis (2.6.16 -> 2.8.3) and libraries
Update lxml (3.2.1 -> 3.2.5)
Update WebOb (1.2.3 -> 1.3.1)
Update some libraries
Merge pull request #649 from xi/feature-massinvite-script

massinvite script
Fix avatar URL

Always use real username, not display name for avatar_url.
Merge pull request #688 from nidico/feature-fix-avatar-url

Fix avatar URL
display only visible badges in user sidebar (fixes #689)

If no badges are visible, none is displayed
Merge pull request #690 from xi/feature-689-fix-user-sidebar-badges

display only visible badges in user sidebar (fixes #689)
Merge pull request #682 from xi/feature-480-refactor-grid

refactor grid
Merge pull request #684 from xi/feature-480-ellipsis

use text ellipsis
Merge pull request #680 from xi/feature-665-presets

Instance presets
move members_import out of instance settings
add members_import button
set members_import cancel url