Make mtime omni-parsable

libmtime sometimes used modules with the following syntax:
use :: module_name
unfortunately, the omni-compiler (on which CLAW relies) was unable to parse this. This merge request therefore changes all
use :: module_name to use module_name

added 17 commits

• d48ccf15...9834a3a9 - 16 commits from branch master
• 73e38614 - Merge branch 'master' into 'omni-fix'

Compare with previous version

Done by hand as rebase was to cumbersome.

closed