new ONELAB 1.2 protocol, with native support for lists

Common/GmshMessage.cpp

Common/onelab.h

Parser/Gmsh.tab.cpp

Parser/Gmsh.y

...b/mobile/Android/src/org/geuz/onelab/ParameterNumber.java

...b/mobile/Android/src/org/geuz/onelab/ParameterString.java

contrib/mobile/README.txt

contrib/mobile/androidUtils.cpp

contrib/mobile/drawContext.cpp

contrib/mobile/iOS/Onelab/AboutViewController.mm

contrib/onelab/python/onelab.py

doc/VERSIONS.txt

doc/texinfo/gmsh.texi