blink1-lib: added setLEDN command for unreleased mk2a devices
blink1-tool,blink1-lib: build blink1-tool as shared on most platforms now (EXEFLAGS = -static commented out)
blink1control-tool: added a bit more
blink1-control: so much work on race conditions, think solution is removing hid_exit() in blink1_close()