Merge branch 'fix778' of git://github.com/dvvrd/qreal
updated QReal installer
#807 fixed
Fixed defects
Merge pull request #875 from qreal/installer

updated QReal installer
Merge branch 'master' of https://github.com/qreal/qreal
Merge branch '#807' of https://github.com/qreal/qreal

Conflicts:
	qrkernel/settingsDefaultValues
Merge branch 'master' of https://github.com/qreal/qreal