MetaTrader 5 iPhone build 421

1. Added work with charts;
2. Added offline mode (prices, charts, current positions, all trading history);
3. Fixed errors reported on the forum and in crash logs.

The MetaTrader 5 for iPhone can be downloaded at https://download.mql5.com/cdn/mobile/mt5/ios?hl=en&utm_source=www.metatrader5.com