CodeSnip Old Code (SVN)

Added required DelphiDabbler library code to project in Src/3rdParty directory so that the code no longer needs to be installed into in a pre-compiled package:
* PJStreamWrapper.pas from Stream Extension Classes project v3.0
* PJSysInfo.pas from System Information Unit project v3.2.1
* PJVersionInfo.pas from Version Information Component project v3.2.0
* PJWdwState.pas from Window State Components project v5.3.1