Fixes Peerunity/Peerunity#56 - Update client name, version number for the next release of Peerunity. Clean up references for Bitcoin and Peercoin's reference versions.
Fixes Peerunity/Peerunity#57, Refs Peerunity/Peerunity#58 - Pre-release version number update. Replace outdated README content that references Peercoin.
Fixes Peerunity/Peerunity#59 - Deprecate Bitcoin URL code in /share/setup.nsi.
Warning message during build due to redefinition of CLIENT_VERSION constant. Refs Peerunity/Peerunity#57
Merge remote-tracking branch 'unity/master' into unity.version-numbering

Conflicts:
	share/setup.nsi
Merge pull request #57 from brossi/unity.version-numbering

Update versioning in anticipation of the general Peerunity release