Updated reference to md-addins
[Core] Fix msbuild project loading issue

When loading a project in the msbuild host, make sure the current directory
is correctly set.
Updated reference to fsharpbinding
Merge branch 'monodevelop-5.4-branch' into monodevelop-5.5-branch
Merge branch 'monodevelop-5.5-branch' into monodevelop-5.6-branch

Conflicts:
	version-checks