hello-2-properties: fix small error in exercise instructions

Signed-off-by: Steven Bellens <steven.bellens@mech.kuleuven.be>
rtt-exercises: update OCL and RTT hints to ../install

Signed-off-by: Steven Bellens <u0063509@pma-09-040.mech.kuleuven.be>
Merge remote-tracking branch 'origin/rtt-2.0-examples' into rtt-2.0-examples
Applied solution patch for controller-1
Added Controller.cpf solution file.
Fix various compile bugs in the solution.
Fixed various typos in statemachine solution.
Fix various issues in the application.cpf solution.
Re-add the fixes for statemachine.osd.
joystick: do not autostart the joystick component.
solution: fix script and reporting xml.
solution: add scripting namespace.
exercises: fixed remaining bugs in controller-1 solution.
Upgrade solution to 2.0-beta4.
controller-1: minor cleanups wrt 2.x style in solution

Signed-off-by: Peter Soetens <peter@thesourceworks.com>
controller-youbot supervisor solution

Signed-off-by: Peter Soetens <peter@intermodalics.eu>
youbot deployment solution.

Signed-off-by: Peter Soetens <peter@intermodalics.eu>
youbot: fixup solution, add updater component.

Signed-off-by: Peter Soetens <peter@thesourceworks.com>