Proposed commit log message:
```
net/py-python-bitcoinrpc: Update to 1.0
- Update PORTVERSION and distinfo checksum to 1.0 [0]
- Switch MASTER_SITE to CHEESESHOP
- Add NO_ARCH
- Add LICENSE_FILE
- Allow concurrent installation (USE_PYTHON=concurrent)
Reviewed_by: koobs, mat
Approved by: koobs (ports)
Submitted by: Gyver Def (gdef wp pl) [0]
Differential_Revision: D9552
```