* setup new 'statistiques' module
* added 'graphos' package and created first test graph
* put graphos in requirements, deleted local folder
* added "load_csv" management command !
* added update of premiere_rencontre field in 'load_csv' management command
* added missing urls.py file
* added 'merge' action and view
* added 'info_completed' ratio
* linked sujets:merge views inside suivi:details
* added link to maraudes:details in notes table headers, if any
* Major reorganisation, moved 'suivi' and 'sujets' to 'notes', cleanup in 'maraudes', dropping 'website' mixins (mostly useless)
* small cleanup
* worked on Maraude and Sujet lists
* corrected missing line in notes.__init__
* restored 'details' view for maraudes and sujets insie 'notes' module
* worked on 'notes': added navigation between maraude's compte-rendu, right content in details, header to list tables
* changed queryset for CompteRenduDetailsView to all notes of same date, minor layout changes
* added right content to 'details-sujet', created 'statistiques' view and update templates
* restored 'statistiques' ajax view in 'details-sujet', fixed 'merge_two' util function
* added auto-creation of FicheStatistique (plus some tests), pagination for notes in 'details-sujet'
* added error-prone cases in paginator
* fixed non-working modals, added titles
* added UpdateStatistiques capacity in CompteRenduCreate view
* fixed missing AjaxTemplateMixin for CreateSujetView, worked on compte-rendu creation scripts
* fixed MaraudeManager.all_of() for common Maraudeurs, added color hints in planning
* re-instated statistiques module link and first test page
* added FinalizeView to send a mail before finalizing compte-rendu
* Added PieChart view for FicheStatistique fields
* small style updates, added 'age' and 'genre' fields from sujets in statistiques.PieChartView
* worked on statistiques, fixed small issues in 'notes' list views
* small theme change
* removed some dead code
* fixed notes.tests, fixed statistiques.info_completed display, added filter in SujetLisView
* added some tests
* added customised admin templates
* added authenticate in CustomAuthenticatationBackend, more verbose login thanks to messages
* added django-nose for test coverage
* Corrected raising exception on first migration
On first migration, qs.exists() would previously be called and raising an Exception, sot he migrations would fail.
* Better try block
* cleaned up custom settings.py, added some overrides of django base_settings
* corrected bad dictionnary key
