* Fixed project property ReferencePath in MsBuildProject.

* lib/nodes/plugins will also be added to the ReferencePath of a dynamic plugin project.
* MsBuildProject uses new Microsoft.Build.Evaluation.Project and Microsoft.Build.Construction.ProjectRootElement.
Auto generated project files of dynamic plugins are now more similar to those of the addonpack.
Few bugfixes regarding project loading order.
fix for win8 (now really)
minor patch fixes
fixed helppatch
Fixes #186
fixed flash helppatch
updated to Leap SDK 0.7.3
Merge branch 'develop' of github.com:vvvv/vvvv into develop