Updated Catel and Orc.FilterBuilder
Merge branch 'develop' of https://github.com/Khomutov/Orc.GraphExplorer into Khomutov-develop

Conflicts:
	src/Orc.GraphExplorer.Demo/Orc.GraphExplorer.Demo.csproj
	src/Orc.GraphExplorer.Demo/packages.config
	src/Orc.GraphExplorer/GraphExplorer.xaml.cs
	src/Orc.GraphExplorer/Orc.GraphExplorer.csproj
	src/Orc.GraphExplorer/packages.config
Updated git ignore for VS2014
Example of refactored vm using Catel.Fody
created test project, added using of the BehaviorBase class and else few changes