Merge pull request #2166 from jvcdk/master

Update of Visual Studio gitignore file.

VisualStudio.gitignore

 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
 # User-specific files
 *.suo
 *.user
 *.userosscache
 *.sln.docstates
+*.vcxproj.filters
 
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs