Fixed do-while cycle in trik and russian c generators
Worked arround a bug with setting edge`s pos to nan.
Fixed some bugs of inserting node into edge
Made generators working in merged if inside merged if case
Merge pull request #1222 from dvvrd/robots

QReal:Robots bugfixes for some teachers
Merge branch 'master' of https://github.com/qreal/qreal into trikSupportStage2
fixed compilation on Windows
Merge branch 'master' of https://github.com/qreal/qreal
Merge branch 'master' of https://github.com/qreal/qreal into trikSupportStage2
TODO now have doxygen format