Merge branch 'release/0.5.0' into develop
Delay executing websocket callback for 250ms to dodge race condition.
Merge pull request #249 from fedora-infra/feature/websocket-delay

Delay executing websocket callback for 250ms to dodge race condition.
Added template to render flash messages
Added session variable to store flash messages
Added request.session configuration to store flash messages
Added css attributes to render message flash cards
Merge pull request #251 from rahulrrixe/develop

Flash Bagde notification
Remove TODO notes.
Try doing flash messages without js, with html only.
Remove js-popup css.
Make add invitation accept the creator as email address instead of person ID.

Requires fedora-infra/tahrir-api#30
Make the admin panel a bit more user-friendly by making a dropdown of issuer selection
Show flash messages after performing admin commands
Fix forgotten change to email
Merge pull request #253 from fedora-infra/feature/html-flash-messages

Try doing flash messages without js, with html only.
Merge pull request #255 from fedora-infra/feature/admin-revamp

Make the admin panel a bit more user-friendly
Check the openid provider more explicitly.
0.5.1
Merge branch 'release/0.5.1'