OSC Message adding by going through the learn engine.
fix bug with flexible relations and trigger point
MIDI devices can be added. TBC
fix bug with flexible relation and bug with zoom
Merge branch 'dev' of https://github.com/i-score/i-score into dev
zoom centering on mouse cursor
default ports for OSC

(and a different device name)
putting back the default name and inPort, leaving outPort

I thought those were only for OSC, but they actually are for all devices
devices default name and ports depending of choosen protocol
default value for devices
removing the "new" to the device names

we don't really need it, do we ?
Merge branch 'dev' into feature/help
Merge branch 'feature/help' of https://github.com/i-score/i-score into feature/help