fixed EN and FR translations(was mixed up)
- added comments for "steps"
- reworked matcher regexps, so they capture "step" and "source" definitions only at the beginning of lines
- added RU translations
- updated JSON file
added RU translation to examples
convert indentation to 'sodt tabs with 2 spaces'
Merge pull request #3 from zloyrusskiy/ru_support

I have added RU language support + reworked matchers
Added Russian in supported languages