made include paths in qrgui begin from a project root folder
second stage of include paths refactoring, finished qrgui and qrxc
restored build
linux build
Fixed #1013
Merge pull request #1019 from dvvrd/robots

Fixed #1013
Merge pull request #1012 from qreal/includePaths

Include paths
Merge branch 'master' of https://github.com/qreal/qreal into links

Conflicts:
	qrgui/umllib/edgeElement.cpp