[MAP] New version of G4beamline is now available, 2.12

[Tom Roberts]

G4beamline release 2.12 is now available at

	http://g4beamline.muonsinc.com


Major Changes from 2.10:
* Completely revised build system; uses Cmake for Geant4.
* Now building a release for Linux (32 bits) and Linux64 (64-bit build).
* A helper program, G4blData.java, to assist users in downloading the
   Geant4 Data.
* Additional examples (space charge, spin tracking); old examples revised
   and re-organized.
* New function in expressions: if(Condition,TrueValue,FalseValue)
* Bphi added to fieldexpr.
* Spin Tracking, including the decay of pions to polarized muons,
   tracking of polarization for muons and electrons, and decay of
   polarized muons into unpolarized secondaries.
* New command: "for i a b c" - sets parameter i to a list of strings.
* Using geant4.9.5.p01
* Code is now 64-bit clean.
* Stack trace printed on signal or other abnormal termination (not
   available on Windows).


Tom Roberts