cmake: Drop unrecognized 'encoding' option to open() If encoding remains a problem, it'll make itself known soon enough. For now, this is preventing this script from executing.

cmake: add option to build with LCMS also build in Release mode by default.

update to cmake checker and add missing header.

fix for building with cmake, renaming the GTK2 package didnt work right, very confusing as to why - I still dont know but calling it the same as CMake's works ok and uses our one.

update cmake checker and split out config

get cmake working again.

cmake: update ignore list.

cmake: script to check for coverage in our cmake files (that we dont miss any headers or source files)