Inbox for JIRA 4.0.0

Inbox for Jira 4.0 with new issue reminder feature and improved UI.

New Features:

• Added reminders on issues, never forget an issue!
• Quick remove notification button added to notification card
• Added filters on user groups so that it's possible to filter out notifications from certain user groups.

Improvements:

• UI improvements - changed icons, and modify the layout
• Minor bug fixes