improved typesystem rule for console InstancesExpression
removed parameters of console 'nodes' and 'referenes' expressions
added console expressions 'models' and 'modules'
fixed bug in print console statement
scrolling down console history after executing command
improved scrolling down console history after executing command
BLCommand can throw any exception
Displayed exeptions in console are clickable
refactoring: changed console concept tree, moved methods
extracted doExecute() method from execute() in console command
fixed style of console scrollbar
fixed displaying exceptions in console
speed up console scrolling
removed unnecessary commands
adding language dependencies in ConsoleTool.addNode()
merge console into master