finish translation for home and classigy
make profile and mini-course prompt translatable
translate spotters guide
translate "get involved" panel
translate science page (phew!)
translate about page
translate education page
finish about page
remove (unused) blog page
remove reference to blog in router
remove residual blog controller
finish classify
remove discuss page (unused)
remove discuss controller
finish science page
finish spotters guide
some final touch ups
remove hard-coded h1 tags in translation file
add calculator tab to education page
insert calculator content into education page