[UPDATE] register with valid coin address
[UPDATE] Font Awesome to version 4.1
Merge pull request #2192 from iAmShorty/register-with-coinaddress

[UPDATE] register with valid coin address
Merge pull request #2193 from iAmShorty/font-awesome-update

[UPDATE] Font Awesome to version 4.1
[UPDATE] prevent adding/editing workers unless a valid coin address is set in config
Merge pull request #2194 from iAmShorty/no-worker-without-coinaddress

[UPDATE] prevent adding/editing workers without valid coin address
Update admin_settings.inc.php