Copied template from deltaportaal site
Putting orthogonal actions in the blockbox template itself
Allowing selection of 2050/2100
Using selected_year in queries where possible
Renamed migration: we had two 31's
Using new year field of vertexvalue
Removed unneeded logging
Reloading the relevant bits when switching years
Zapped )
String instead of int
Using require_POST. Added year checking.
Merge pull request #29 from lizardsystem/reinout-zichtjaar

Added UI and views.py support for 'zichtjaar'