add partial RST support to cmake.xml
add partial RST support to cmake.xml

Add support for quoted RST in CMake. Only quoted is supported because
the other syntax can't be trivially highlighted, as it relies on
implicit removal of the leading comment character.

hlamer/kate,sandsmark/kate,hlamer/kate,sandsmark/kate,hlamer/kate,hlamer/kate,hlamer/kate,sandsmark/kate,DickJ/kate,DickJ/kate,DickJ/kate,cmacq2/kate,jfmcarreira/kate,hlamer/kate,cmacq2/kate,cmacq2/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,hlamer/kate,sandsmark/kate,jfmcarreira/kate,hlamer/kate,DickJ/kate