Allow configuration of messageSource properties by environment
Use code as default message by default for development
Remove Broadleaf messages from DemoSite
Enable the translation filter and cache override
Added an ant task that stops jetty and the db in one task, as a
convenience.
Added default support for REST services. They are, by default,
deactivated in the demo site.
Added license
Removed direct dependency on MessageSource
Added exception handler to the REST configuration.
Add missing security entities
Changed locale text to differentiate US and English UK
Merge remote-tracking branch 'upstream-DemoSite/admin3' into develop

Conflicts:
	admin/src/main/resources/messages-admin.properties
	admin/src/main/resources/runtime-properties/development.properties
	admin/src/main/resources/runtime-properties/local.properties
	site/src/main/webapp/WEB-INF/applicationContext-filter.xml
blRuleBasedPriceListResolver needs to be "blPriceListResolver"