Squashed commit of the following:

commit 76785f33fd59a5da89c3af2872afd7c5480341fe
Merge: 68f402a 9bf52e1
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Tue Mar 4 19:15:27 2014 +0100

    Merge branch 'master' into statistics

commit 68f402aa20aab38bf1a5a112ba384f6280e5836c
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Tue Mar 4 19:15:03 2014 +0100

    * fix tests by updating dependency loading in tests main file

commit 9e171c43b6556771c8138c176916f7fe23b4ae8d
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Tue Mar 4 19:12:47 2014 +0100

    * add more charts
    * rename charts to be more descriptive
    * add filter reset option to charts
    * surround bar chart with try catch for debugging

commit f916d0d2147f336895809d0c7e8bd262e5bca13d
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Tue Mar 4 17:59:52 2014 +0100

    * remove unused functions and events
    * remove console.log statement

commit 6cd53bd5f4fac164e2d2e60f5103889bd08fdca8
Merge: 2932e3a 34e3fe1
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 22:25:14 2014 +0100

    Merge branch 'master' into statistics

commit 2932e3acf0c3b56a66925264fea8f907af4e20f5
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 22:23:05 2014 +0100

    * put chart rendering in own function
    * add colors to pie chart
    * rename dimension and group
    * increase size of pie chart

commit ee72c5c7129e37acdbf19e524898dcf2090fb2fb
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:20:36 2014 +0100

    * get all commits until the last 2 weeks to show statistics

commit 54b4b37025ff140a91763a63185602b8625d8a17
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:15:53 2014 +0100

    * first try to render charts with dc

commit 66f70668e88caff52f2065b8029d6bd354f35059
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:07:28 2014 +0100

    * add default dc styles to main.less

commit f64c39b0ecdba818607c4a74da54440bf283f3d3
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:07:11 2014 +0100

    * add statistic charts html template

commit 344a6d6b1a7533d0e5da171f842c75061a5b8a51
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:06:53 2014 +0100

    * add dc, d3 and cross filter as dependencies to main js file

commit fd01ac75f974870b7d202795ed242828c34af224
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Mon Mar 3 20:06:06 2014 +0100

    * add dc as dependency to bower

commit 072908a1ccd91a396797e3d45f810720a2f706c0
Author: Jörg Weber <weber.joerg.h@gmail.com>
Date:   Sun Mar 2 23:35:12 2014 +0100

    * add prototype of a statistics view