Update to 0.4.1
Fix update checck bug

Fix bug where updates for windows would check for mac updates and vise
versa.

(I am ashamed)
Fix Jansson dependency importing
Move config include path, so it works for the exported target
Merge pull request #189 from BtbN/cmake_jansson_fix

Fix Jansson dependency importing
Add IObsPlugin interfaces for Video Source Plugins
Make XComposite capture use new C++ plugin helper