[FIX] UPdate empty coin_addresses
[FIX] Account Update with same coin address
[FIX] No manual-payout on empty coin address
[UPDATE] Cache getmininginfo too
[FIX] Manual PPS Payouts

Fixes #1692
[FIX] Duplicate Conditionals

Fixes #1690
[FIX] Smarty caching cross-sessions

Fixes #1691 and fixes #1684
[FIX] CSRF/Re-captcha on Contactform

Fixes #1666
[FIX] Invalid CSRF error on password reset form

Fixes #1675
[FIX] Better error message

Fixes #1664
[UPDATE] Highlight next/previous arrows on admin/user
Merge branch 'fix-contactform' into next
[UPDATE] Allow global notification settings

Fixes #1232 and allows further expansion in the future.
Addresses #1672 too.
[FIX] API Key sample format

Fixes #1694
Merge branch 'next' of https://github.com/MPOS/php-mpos into next