[FIX CI] fix scenarios with 3 trials

Squashed commit of the following:

commit 28a49c6d5e2b7107beb4824103d89b55f0960018
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Sep 10 13:57:03 2014 +0200

    try @chrome

commit b3df16af056be2172b0fa88aa8c386dbda129e7a
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Sep 10 12:20:30 2014 +0200

    features/support/env_screenshots.rb

commit adad79d4e997b037f07817f823a3d08ff664b871
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Sep 10 11:36:31 2014 +0200

    testing autocomplete

commit 845f404a68c44e34866d799580a3853de9a44cbf
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Sep 10 11:26:55 2014 +0200

    Revert "test hotspot feature"

    This reverts commit d82c5407b20ed03ca6848bbb0759bfa67c054450.

commit d82c5407b20ed03ca6848bbb0759bfa67c054450
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Sep 10 11:23:35 2014 +0200

    test hotspot feature

commit 7cc679d7a476dfbdf28a97360e2064a33929af08
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 17:49:41 2014 +0200

    inventarhelfer steps fix

commit 30f6295f05315cdecaf87fcabd85132ff338dd38
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 17:42:57 2014 +0200

    fix kalender.feature

commit d2a8bf98e6d0d351eb3b97a56b46f6c846df1399
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 16:23:30 2014 +0200

    fix paket item inventory helfer test

commit 7aeb3e7b1458ac29634baf54450292ac1c4dfdbf
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 15:28:02 2014 +0200

    fix features/step_definitions/examples/kalendar_steps.rb

commit 6a306888dde6d1324d8f642c19781f8c3e7b62df
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 14:41:25 2014 +0200

    fix features/borrow/vorlagen.feature:45

commit 33a7f870dfe1eeab2516d17b44bb959ad80091af
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 12:01:11 2014 +0200

    fix features/examples/ausleihe.feature:79

commit 73f088874aa99ced2c59d328447da29fb44ae066
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 11:52:23 2014 +0200

    fix hand over add.feature

commit d588f2880068a190c8c90c62bd827533f56b3753
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 10:59:39 2014 +0200

    auto_trials: 2 inside of the generation script

commit 2b4b74ff41bb39842c2f986f43a42fe0face731d
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Tue Sep 9 10:59:18 2014 +0200

    regenerate scenario tasks with auto_trials: 2