add mpsutil make for rcp build
make for rcp
add math language (backport from release branch)
remove original mps-make plugin from build

it is replaced with the lightweight version in mpsutil-make which doesn't ship any java stuff
if the original and the new node is INamedConcept then the new node retains the name of the old node; the references are then resolved
Merge branch 'master' of https://github.com/mbeddr/mbeddr.core
fixing the build
1144 added config item for units
added required config item for ext tests
fixing the tutorial
Merge branch 'master' into parenthesis