MPS-19370 set default heap size (-Xmx) to >= 2G: support 32/64-bit options
MPS-19473 Can't start MPS on Windows. Problem with Java Virtual Machine. - Xmx reduced to 950m for 32bit java
MPS-19370 set default heap size (-Xmx) to >= 2G - fix errors in bash script after testing
Merge branch '3.1/rcp' into MPS3.1
make
Merge remote-tracking branch 'origin/MPS3.1'