[FIX] Cannot delete both servers if you add a new server without saving now

RT-2106
Merge pull request #1463 from mrajvanshy/banner

[FIX] Announcement banner UI fixes
Merge pull request #1460 from mrajvanshy/deletingServers

[FIX] Cannot delete both servers if you add a new server without saving in the advanced settings tab
[FIX] 2FA: Change copy
Merge pull request #1466 from yongsoo/fix/2fa

[FIX] 2FA: Change copy
[FIX] 2FA: Change copy
Merge pull request #1467 from yongsoo/fix/2fa

[FIX] 2FA: Change copy
[FIX] Package: webpack / grunt-webpack version fix
Merge pull request #1468 from vhpoet/release

[FIX] Package: webpack / grunt-webpack version fix
[FIX] Spaces on announcement and unfunded banners