Fixes for minor issues. Refresh for components. Latest iOS compatibility.

Fix for in-app store integration with Apple Store

Support for iOS 13 dark color mode. Users now may suppress ads with a purchase of iTunes subscription.

Improved chart size slider smoothness

* minor fixes and improvements

*Minor improvements in user consent form
*Fix for crash during a data fetching

*GDPR compliance (user consent form for ads) was added

Payoff projected date/time added to payoff interface

*Ethereum Classic (ETC) pool was added (etc.ethermine.org)
*Minor improvements and fixes

* New page with worker statistics was added
* Slider control to scale hashrate chart for more details was added
* Minor interface improvements

* Payout projection in ETH and USD was added
* Payout history was added
* Korean localization added to extend English, Russian, French, German, Italian, Spanish, Portuguese, Chinese and Japanese
* Various usability improvements