Symbian2 single model Buildenv.xml- removed requirement for XML::SAX as it's supplied with the FBF. Added wildcard on HELIUM_HOME check for using PDT_1.1 or 1.0, as some machines have Helium 5 in PDT_1.0 location.
source,dst,type,pattern,sysdef
//v800008/Builds01/mercurial_development/oss/MCL/utilities/,/utilities,branch,default,
//v800008/Builds01/mercurial_internal/rnd/rndonly/monotype/,/rnd/rndonly/monotype,branch,default,
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/deviceplatformrelease/,/sf/os/deviceplatformrelease,branch,default,layers.sysdef.xml
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/kernelhwsrv/,/sf/os/kernelhwsrv,branch,default,layers.sysdef.xml
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/buildtools/,/sf/os/buildtools,branch,default,layers.sysdef.xml