fixed aligning of square links
quick element moving with grid fix
elements in sorting container fix
Merge branch 'containers' of https://github.com/Ashatta/qreal into grid

Conflicts:
	qrgui/umllib/nodeElement.cpp
Merge branch 'master' of https://github.com/qreal/qreal into grid
added BPMN Subprocess and its connection to BPMN Diagram
separation of connections and usages menus
connections menus customization
creation of graphical element when creating connection to new element
fixed name of element created with connection
more customization! more!
Merge pull request #2 from Ashatta/connections

Connections
added translations
Merge pull request #894 from Ashatta/grid

Сетка