New features

• score is now able to build with clang & MinGW on Windows. This means that in a few release, both Faust and a JIT C++ compiler will be shipped on every platform. Rejoice !
• It's now possible to deselect nodes in the Device Explorer by pressing esc.
• Ports are now visible in the local tree (#803). Addresses can be set and for controls, values can be set too.
• Devices can now be loaded from the library, with a double-click on the device file.
• Update to the toolbar layout (thanks @bltzr).
• When editing an automation point, the current value is now visible (#495).

Bugfixes

• #854 #852 #851 #850 #847 #846 #845 #841 #839 #827 #738 #674 (thanks to @thibaudk and @bltzr for the extensive testing!)
• Fix various local tree bugs
• Fix various bugs with the Faust support
• Fix various process <-> state linking bugs - it's still not perfect though
• A lot of code refactoring and simplification