New PascalCoin Build 2.1

Source code at GitHub:
https://github.com/PascalCoin/PascalCoin

Download windows installer and Linux binaries at SourceForge:
https://sourceforge.net/projects/pascalcoin/files/

### Build 2.1.0.0 - 2017-07-14
- Fixed bug of slow mass transactions from a single account due to incorrect sending order
- Fixed memory leak on GetSafeBox request call
- Added new GUI improvements on Operations form