Extension ext-network continued, functions renamed:

Extension ext-network continued, functions renamed:
- Loading of network types handler configuration implemented (with missing
  templates which will follow next commit)
- Functions makeFooToBar() renamed to convertFooToBar(), functions with this
  (convert) prefix will be used in PHP scripts and some templates, compared to
  translateFooBar() which will be used only in templates as "translation
  helper"
- DOCS/debug-lines.log ignored which will be used to identify commented-in
  debug lines
- TODOs.txt updated