for fixing #1099 :
"Сделать залипание инструмента при выборе. Переключение на новый инструмент самим пользователем"
added icon file for 'noneButton'
for fixing #1099 :
"добавить к мыши маленький значок выбранного инструмента"
(but icons (for this) should be changed)
little code fixing
diagram node load fix
fixed showing groups from other editors
fixed #1100
Added russian C code generator
Replaced && with 'и'
Made it partly working.
Merge pull request #1114 from dvvrd/robots

Some bugfixes for QReal:Robots 2.5.0
Merge remote-tracking branch 'origin/#1100'
icon and translation for "return to initial state" button
Merge branch 'master' of https://github.com/qreal/qreal
Merge remote-tracking branch 'origin/#1099'

Conflicts:
	plugins/robots/robotsInterpreter/details/d2RobotModel/d2Form.ui
Merge branch 'metamodelingOnFly' of git://github.com/alina-ptakhina/qreal

Conflicts:
	qrgui/qrgui_ru.qm
	qrgui/qrgui_ru.ts
Merge branch 'russianC' of git://github.com/dvvrd/qreal
Merge pull request #1110 from dvvrd/russianC

Russian C generator for robots
Merge pull request #1115 from dvvrd/robots

Fixed #1112
Made Vera++ happy