bugfixes, code improvements, i18n support

- fix TextEditor import
- -automatic option has been changed to mor common -always
- now we have i18n support from twn
- use generator instead of a list for all pages to be processed
- preload pages
- show page counter after processing, because we use a generator
- remove obsolete pywikibot.stopme() call

Change-Id: I8c983620e8d9a335b4fafa61e84936dc4c41f006
Merge "bugfixes, code improvements, i18n support"