created mobile breakpoint variable
massive rationalisation of application urls to prepare for advanced calculator urls
minor tidying up of controllers
removed old models
removed uneccessary selection model
created base advanced water model
renamed basic report for readability
gem housekeeping
switched session store to mongoid
cleared down advanced controllers
calculator selector page and calculators flows now responsive
homepage now responsive except image/video
fluid video - removed replacement image
set navigation for water advanced calculator
aligned padding around buttons and static footer on homepage
homepage 'static footer'-related layout spacing fixes
removed listener for video image placeholder
set up advanced baseline form
enabled advanced water model persistence
tidied up gemfile and removed ember references