[ADDED] IDLE Worker Global Switch

Fixes #1921 once merged.
[FIX] Disable monitor option in workers page
[FIX] Disable monitor column on admin pool workers
Merge pull request #1922 from MPOS/disable-worker-notifications

[ADDED] IDLE Worker Global Switch
[ADDED] Settings Runtime Cache
[CLEANUP] Admin Checks

* [REMOVED] SQL Checks, those won't be done since we need SQL to
  login as admin anyway. Are handled in database.inc.php too.
* [CHANGE] Dropped *nix detection since it would not detect Linux PHP_OS
* [IMPROVED] Simply check if we can use socket_create at all, fall back
  to fsockopen if this does not exist.

Not addressing any specific issue, just some cleanup.
Merge pull request #1926 from MPOS/settings-class-cache

[ADDED] Settings Runtime Cache
[IMPROVED] Allow checking against a custom tx fee
[ADDED] Verbose mode
[FIX] Remove static table reference
Merge pull request #1929 from MPOS/fix-hard-coded-table

[FIX] Remove static table reference
Cryptorush API Price Ticker

Simple yet effective way to get ticker cron to use the Cryptorush.in API
via get=all parameter.

Just enter on your global cfg file:
$config['price']['url'] = 'https://cryptorush.in';
$config['price']['target'] =
'/api.php?get=all&key=YOUR_API_KEY&id=YOUR_USER_ID';
$config['price']['currency'] = 'COIN';

and run the cron. Enjoy!
The hacky way simplified. Removed variable
[FEATURE] Added Pool Bonus for Prop and PPLNS
[ADDED] Block or Payout based bonus percentage
Merge pull request #1931 from jamieede/development

Cryptorush API Price Ticker
[FIX] Use configured currency as target
[CLEANUP] Percentage column shorter
Merge pull request #1936 from MPOS/pool-bonus-feature

[FEATURE] Added Pool Bonus for Prop and PPLNS
Fix round share percentages

Not correct math.