Add some dependencies
Experimenting with plots in members module
Experimenting with nvd3 and bootstrap
Moved member JS to static
Created JSON route
Merge branch 'develop' into nvd3_plot
Added an absence view to show absence of members

Created a JSON API for members.
Made a www-module for figures

 - mod_figures with route /figures
 - added first figure /figures/partipiskan which may be
   copied as a template.
 - a figure needs:
   1) route in mod_figures/controllers.py
   2) a template in templates/figures
Merge branch 'mod-figures' into develop