Don't Select Group Tracks anymore
Squashed commit of the following:

commit 4534c8d38f03859a010687ee303874df04aa3bdd
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 23:04:59 2014 +0100

    awesome

commit 54c5a47e0190e4e5ada14ceee353a3e326e5c2ad
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 23:01:13 2014 +0100

    way better now

commit ae9bf60a5cbd86b19bf605198fe24213b58b4ca2
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:46:48 2014 +0100

    should work better now

commit 96eb0a74c782d2e9c04cb73a4038492172a9a1ae
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:40:38 2014 +0100

    callback works now

commit d3c2e4e91bc7ff32f7d7401fc9176b7db3e3cc3e
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:36:35 2014 +0100

    runs again

commit f609dddb4d3ceb1d8eef8bf55c94658c521da843
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:35:16 2014 +0100

    removed Track

commit 42395afae8e75e251bdb61d5aa472b6218c70042
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:34:19 2014 +0100

    better now

commit 98fc62605a355548148b36ae2d46c22d914eae48
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:28:13 2014 +0100

    a bit of sorting

commit 0de63a4467bdf5d227bb74aa44d7d8434ee1966a
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:20:10 2014 +0100

    removed track

commit 43f33b661b6fd5c05c95a3c70e174825db32a1bd
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Mon Oct 27 22:15:50 2014 +0100

    seem to work, but the listener of the it_selection is not

commit fc7a067c202b9683d0956205eab270d296ebe0a8
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 15:30:49 2014 +0100

    on removing the track layer

commit eaf88a03a1aedf8c777e93f1ddb52306eff80b6c
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 15:10:44 2014 +0100

    removed Instrument Layer

commit a0d3e21a2b299c16093e0ab9ac250645060c8b3f
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 14:50:45 2014 +0100

    not it seems to work

commit fab7b581e70f0b4f41ba9b309fc4dea1e7d55413
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 14:47:34 2014 +0100

    it starts but instantly crashes

commit d4a534ef6e08507d7bec152c139439e6a2a0b350
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 14:33:05 2014 +0100

    on wiring

commit 694e27ae2fb704eaa9772a025c8f773c3803116a
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 14:11:05 2014 +0100

    finishing touch

commit 9d4a24cc3f5d1495819a5ccc7cf5ab1f0fe58304
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 14:08:57 2014 +0100

    create It Selection Module

commit 2bfc44854ed08fba4d14d44f282aefbf86fbfb10
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 13:51:41 2014 +0100

    updated require statements

commit fa24441e68df5e75c25bbbbedd54c45f8ad20440
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 13:42:30 2014 +0100

    osc and keyboard look fine now

commit f545be4d3c62e2daf6c23da786bb33b7b4ea87e1
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 13:35:18 2014 +0100

    step-area looks good now

commit c76a089db7e2d199f7f33ccf22973278ab749bf5
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 05:29:17 2014 +0100

    on updating the steppor

commit e7ff59a2155f0b1b880341ae1d59c11b14e3f5d7
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 05:09:44 2014 +0100

    updated logo

commit ac964c7bf9ac41021bf8b14ce85a36c07c8c85b2
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:48:43 2014 +0100

    documentation

commit 357e4a715b7a77999818c87abfdf35d57d879491
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:46:56 2014 +0100

    chooser seem to work fine now

commit 45d877596b3d22e16833f08a3e91ad2d2cee772f
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:37:54 2014 +0100

    not on the instrument itself and all

commit 5377cf6f62f906e9872701281ea70734b3e0cdfd
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:22:22 2014 +0100

    ok not it looks ok for the track Layer

commit d8a63cf4d96944c1127dc1fe581e3b2924a77951
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:12:52 2014 +0100

    just a bit adjustment

commit 3bf6437122bec09912b5901dfdffae9ccf407d93
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:11:17 2014 +0100

    better now

commit 07c22cfbd28a506d82e745368e13242e585a7983
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:06:27 2014 +0100

    add some comments to make the code more readable

commit 259f7fbabefad1d21b71d14f62f78d59431967fe
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:01:52 2014 +0100

    add todo

commit 4a84b6f7c88e9550ae3ab5662ab0c0523bcdb2dd
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 04:01:03 2014 +0100

    it kinda works now better

commit abce6bff05d876af48fe32895a1883135b3c6420
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sun Oct 26 03:52:23 2014 +0100

    It kinda works

commit 2af2e2c888a9a4038876ffa92616c9833a689792
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sat Oct 25 22:16:58 2014 +0200

    on wire the track layer to the system

commit e9456be17ae8c5e17c180cdc99b17c486e679993
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sat Oct 25 22:15:14 2014 +0200

    on wire the track layer to the system

commit 5ea93ed7dc513d238725dd1ea05075efbe8eb401
Author: Ingolf Wagner <palipalo9@googlemail.com>
Date:   Sat Oct 25 22:03:06 2014 +0200

    add Track Layer (which should take care of Track arithmetic)