Squashed commit of the following:

commit cdca008dada764299773567a7e668d5110322f35
Author: erwan <erwan.koffi@gmail.com>
Date:   Mon Oct 27 09:09:15 2014 +0100

    Issues list updated

commit 5d56e13ea22006421cbc3c81d9c179ed692a64a0
Author: erwan <erwan.koffi@gmail.com>
Date:   Wed Oct 22 16:34:15 2014 +0200

    Execution date on assignment export

commit 6d8573b0ca460d2704b09d491b217732cb7d6b18
Author: erwan <erwan.koffi@gmail.com>
Date:   Wed Oct 22 12:05:23 2014 +0200

    Pdf export for assignments

commit e3dbd49e62487b2122c1b9ccd8ce52bd34b10288
Author: erwan <erwan.koffi@gmail.com>
Date:   Tue Oct 21 18:44:59 2014 +0200

    Pdf generation for assignment