Squashed 'sqscripter/' changes from d8ddd34..13009d6

13009d6 Add Squirrel syntax coloring

git-subtree-dir: sqscripter
git-subtree-split: 13009d61beb44d67e91fc975a60721b94e0a4fd8
Merge commit 'ec5483b8c43c48161f2e56d01f3a96bfb8f764b8' into next2
Adapt to Squirrel syntax coloring in SqScripter