Implemented line charts and stacked area charts for statistics widgets. Users will now be able to chose from different chart types in the widget settings; chart settings will be saved now.
Added nofilter.
Excluded IE8 in dependency check for nvd3.
Added translations for stacked area charts.
Fixed bug#10258 - yellow color for UnreadArticles.
Re-implemented Process Management ProcessImport().

Squashed commit of the following:

commit 1c1b3c7290a8b9d2d0dd19f80311c97ce1d78d03
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Tue Feb 18 00:00:55 2014 -0600

    Added test file.

commit 862204a7be47d399dfc95e2233b26bafcc4fc476
Merge: 94eb155 34b8292
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Mon Feb 17 23:50:45 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 94eb155aad111e7ec1174fda257290943805bcd6
Merge: 3f0d1ef 071bfb0
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Mon Jan 27 12:03:40 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 3f0d1eff316057282fd0b395d69d8fcf9ab9ce96
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Thu Jan 23 16:19:21 2014 -0600

    Implemented usage of //= operator.

commit 03582b14192170c8d882714fce262e99724d0bb9
Merge: 8605e76 5adccb4
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Thu Jan 23 16:14:14 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 8605e76a73841ca24bddb5078d6b85c26231bc94
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Thu Jan 23 16:11:48 2014 -0600

    Factorized functions.

commit c0e6be3a989e7425adc778f79cc65b56aced1afb
Merge: 249ec08 e30d0e8
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Tue Jan 21 23:30:27 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 249ec084407f1d71c1182c422c16c0ea3789f01c
Merge: 4e30fc5 bff696a
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Mon Jan 20 07:57:32 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 4e30fc5ca8a16fa6f9024d9c664f175cd3a34f7b
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Sat Jan 18 11:11:36 2014 -0600

    Tidied file.

commit d7b5c577a235635a923532eaed30fbd31432126f
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Sat Jan 18 07:46:27 2014 -0600

    Added ProcesImport test and examples.

commit 0836d36c92f0b136a92d7755595627b610c5f57f
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Sat Jan 18 07:39:38 2014 -0600

    Fixed errors on uninitialized values.

commit 58552b34af885a39a22975edd96a439102d0d147
Merge: 70eecb7 0680603
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Wed Jan 15 22:50:36 2014 -0600

    Merge branch 'master' into feature-processimport-cr-master

commit 70eecb796ddfccd22c1fd6a87cf1d96156729b7f
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Wed Jan 15 22:39:10 2014 -0600

    Updated for new ProcessImport implementation.

commit 9b625266a8b8578d2487b89ef9c45def6ef579bc
Author: Carlos Rodriguez <carlos.rodriguez@otrs.com>
Date:   Wed Jan 15 22:36:27 2014 -0600

    Reimplemented ProcessImport().

Conflicts:
	CHANGES.md
Changed DF names to avoid collides if process is currently present.