fix infinite scroll
stick list actions
fix specs
update some dependencies
remove main title from activity list
Merge pull request #72 from it3s/improve_lists

Improve lists
get geojson via ajax
fix `add hstore` migration
add geometry selector
update meppit-map-rails
specs
add location selector
refactor + i18n
update meppit-map-rails
add expand/collapse map button
update meppit-map-rails
add map editor to user profile
specs