Merge pull request #405 from trigun0x2/staging

Deck show styling and spec fixes
Merge pull request #406 from trigun0x2/notifications

Notifications
Merge pull request #407 from trigun0x2/opt-out_emails

Opt out emails
Improve Deck submit
* prevent users from editing tournament decks
* improve deck submist
 * deck select counter
 * prevent users from selecting additional decks
Merge pull request #408 from trigun0x2/staging

Added merging of decks
Polished Tournament features
* bracket display
* UI for tournament admin (user removal)
* fixed bug with bracket generation (import gem)
merge with master
Fixed tournament tests
Uncomment role migration
Merge pull request #409 from YiboDuan/bracket2

Bracket Finishing
changed index graph to 30-70
added pricing tables styling
updated css and styled premium index
finished prem index page styling