mod_websocket_dt and libnova now correctly build

Various small fixes
Add command protocol to websocket
Add cross compiling with 'TARGET='
Fix some issues with ARM

(cherry picked from commit 6c5c91ac)

Added integer variables (nice for defining named states in the state machine)
Various improvements to a few blocks
	joystick uses controller bus
	multiplexer and trajectplayer can handle non existing selects
(cherry picked from commit 82abe0ef)

(cherry picked from commit 7ac151a4)

(cherry picked from commit 6aa2c4cf)

Conflicts:
	controller/controller/Makefile
	controller/controller/controller_block.c
	controller/controller/controller_load.c
	controller/dt_ctrl.c
	controller/ec/Makefile
	controller/ec/block_beckhoff_el7031.c
	controller/ec/block_stoeber.c
	controller/ec/canopen.c
	controller/ec/ec.c
	controller/ec/ec_stoeber.c
	controller/ec/ec_stoeber.h
	controller/ec/ec_test.c
	controller/ec/esc.c
	controller/ec/esc_coe.c
	controller/ec/esc_device.c
	controller/ec/esc_device.h

Converted common libraries to new system

Conflicts:
	Makefile
	console/console/Makefile
	controller/block/il2c/il2c.c
	controller/build.mk
	controller/controller/Makefile
	controller/controller/controller_setpoint_command.c

New proxy code in spg_auth.
Moved all trackers to new interface
Cleanup some old stuff.

Remove some old (generated) header files from the archive.

Conflicts:
	console/htdocs/index.html

Increase maximum azimuth speed to 2500 rpm
Change show position to 30,30

Add poll function to canopen device
Remove poll thread from esc_coe

Add poll/recover to bus

And some additional things for the UI.