add ux information collection (1)
some styleguide changers
fixed conflict with startDialog
Merge branch 'master' of https://github.com/qreal/qreal into uxInfo

Conflicts:
	plugins/robots/nxtGenerator/nxtGenerator_ru.ts
	plugins/robots/robotsInterpreter/robotsInterpreter_ru.ts
	qrutils/qrutils.pri
small fix
added check if write failed
comments added
revert robots ts files
fixed kernel tests
Merge branch 'startTab' of git://github.com/dvvrd/qreal
after review changers (1)
Merge branch 'master' of https://github.com/qreal/qreal into uxInfo
after review changes (2)
Merge branch 'startTab' of git://github.com/dvvrd/qreal
Merge branch 'startTab' of git://github.com/dvvrd/qreal
Fixed #1086
Fixed #1085
WARNING: In this commit was modified and poorly tested closest port selection system.
Fixed #467
Fixed #1137, #1142
Corrected scaling behaviour after maximum or minimum is reached