Add DPSIR to indicator, show it on the indicator page
Style DPSIR notice on indicator page
Make NO2 have some DPSIR stats
Add DPSIR to theme index
Don't seed test, dummy!
Show DPSIR filter in the sidebar
Theme presenter can populate indicators on theme
Remove superflous code
Refactor Themes index controller
Merge branch 'fat-theme-controller-refactor' into dpsir-support

Conflicts:
	server/test/controllers/theme.coffee
Make ThemePresenter.populateIndicators support a filter clause
Install libxml
Theme controller uses dpsir params to filter indicators
Use correct URL params
Merge branch 'master' into dpsir-support

* master:
  Remove DPSIR attributes as they are not applicable on this branch
  Add primary type to test indicators so that they pass primary filters
  Give esri type to indicators to make them appear on index
  Stub Indicator.hasData to make test valid
  Make ThemePresenter.populateIndicators support a filter clause
  Don't seed test, dummy!
  Theme index should only show indicators with data
  Start fixing missing primary and indicator data features

Conflicts:
	server/controllers/themes.coffee
	server/lib/presenters/theme.coffee
	server/test/controllers/theme.coffee
	server/test/units/presenters/theme.coffee
	server/test/units/theme.coffee
DPSIR query uses OR rather than AND
Theme index displays which DPSIR filters are selected
Handlebars correctly displays selected DPSIR filters

Query strings are, unsurprisingly strings and evaluate to true in
templates
Backbone view to handle DPSIR filter change events
Theme controller ignores false DPSIR filters