initial commit for text language parser infrastructure
added playTone block
added speakerBlock
style guide
Merge branch 'master' of https://github.com/qreal/qreal into trikInterpriter
Merged changed files with qreal
deleted unused file
delete unused file
added ledBlock
added qtNetwork
Merge branch 'master' of git://github.com/DenisKogutich/qreal
added shell device which execute system's commands, added sayBlock
and systemCommandBlock for trik
Merge branch 'master' of https://github.com/qreal/qreal
added configuration of tcp in realRobotModelBase
fixed a bug
Merge branch 'master' of https://github.com/qreal/qreal into trikInterpriter

Conflicts:
	plugins/robots/interpreters/trikKitInterpreter/src/robotModel/trikRobotModelBase.cpp
style guide + some merged bugs
Merge branch 'master' of https://github.com/qreal/qreal
Merge branch 'master' into textLanguage

Conflicts:
	plugins/robots/interpreters/commonTwoDModel/src/engine/view/d2Form.ui
regexp-based lexer, some parser infrastructure