expanded data-ignore-onchange support
improved shared database import ui
show supplier user-interface update
allow 500 items per page
make apple points optional

a next step would be to move this to a plugin
add configuration for default language
add fax csv
use ruby-units for unit parsing (closes foodcoops/foodsoft#200)

Conflicts:
	Gemfile
	Gemfile.lock
cleanup email footer
Extract message system to plugin.
bundle update
localeapp roundtrip
remove bitdeli badge (service does not work anymore)
reword license text in README
Update ruby version in development documentation.
fix simple_navigation ids
make messages plugin work with custom navigation menu
bundle update
do not store GroupOrderArticles with zero quantity and tolerance
add pdf configuration options