Added crs-reports

Squashed commit of the following:

commit d390bf31aec435f4427e4d0e121974b8707bd496
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Wed Sep 18 13:43:19 2013 +0200

    added PNC status in case list

commit d497cd9ec5ccdb2af6265b431c54a889a106c28f
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Wed Sep 18 11:17:39 2013 +0200

    added questions to mother report

commit 4a6b8749cb2fd680e596c4a403f7cc2189d9b9b2
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Fri Sep 13 16:33:31 2013 +0200

    extended reports details page

commit d2090ef1f9696e1642d0e28ac4202676e1931f9e
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Wed Sep 11 16:36:30 2013 +0200

    added case list and simple details reports

commit 438538bffb1fa22b7b4a79b2b81dfe5d25b67f2e
Author: Marcin Sienkiewicz <msienkiewicz@soldevelo.com>
Date:   Tue Sep 10 21:14:38 2013 +0200

    #6: Added rest of needed fields on UI form.

commit 9060cf8d2f80459e598c96edd640faec86e116b1
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Tue Sep 10 15:11:25 2013 +0200

    added display class to crs-reports

commit 9977f740bb4a73703eaa3d1f4ced3a7efc398406
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Tue Sep 10 10:40:12 2013 +0200

    created base report class

commit 495a4e03538bb20ef719ef50226f861a6130c71a
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Mon Sep 9 17:38:55 2013 +0200

    removed unnecessary code

commit d95d255540d38d957b7f346e485b03b290948636
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Mon Sep 9 17:06:54 2013 +0200

    added reports template and renamed module

commit 9849f5693d47ce967caef6352952a8f3a4838a84
Author: Marcin Sienkiewicz <msienkiewicz@soldevelo.com>
Date:   Mon Sep 9 16:00:29 2013 +0200

    #6: Added initial UI to mother and infant forms(WIP)

commit 234bd017600fc7057518017dd62da2e94ed6be17
Author: Lukasz Wyszomirski <lwyszomirski@soldevelo.com>
Date:   Tue Sep 3 15:37:57 2013 +0200

    created module structure and added reports generator module to commcare
fixed problem with test
added translations to crs-remind reports
#15: Added block selectors filters
#15: Added filtering by PNC status, also did some code refactoring.
#19: Moved crs_reports to custom/apps
change filtering to FullCaseES
moved filter for mother case
changes in case_filter method
changes in column name
#19: Added dynamic urlspatterns loading
Fixed bug with duplicated filter terms in crs_reports
added possibility to render report in PDF format
fixed tests - exclude weasyprint from test
fixed sorting in mother and baby list
Fixed baby infant report filters
#24: Added missing ASHA signature
added sub-centers in reports and small esthetic changes
#26: Added enumarating for questions in generated reports.
#24: Added missing ASHA signature for infant report