WatchList as dockWidget
Merge branch 'master' of https://github.com/anastasia143/qreal into firstVersion
WatchList is working  dock now
Correct possible elements after action element
Added a new error - using of incorrect cycles
New pictures for show and hide button, new information in documentation
Merge branch 'firstVersion' of https://github.com/anastasia143/qreal into firstVersion

Conflicts:
	plugins/blockDiagram/viewInteraction/viewInteraction.cpp
Translation after merge
New documentation information
Documentation improvement
logicalModelDock was deleted from qreal:block, watchList minimum size was changed