Changed upgrade scripts to look up unknown provider by a global property and not name, also added ProviderService.getUnknownProvider - TRUNK-4402
vencik <vencik@razdva.cz>
3050ef692469f2e606ae5dafa2cfd1de25883b14
TRUNK-3625: Fixed web image handler
org.openmrs.web.controller.observation.handler.WebImageHandler#getObs
must pass valid java.util.Locale object to org.openmrs.Obs#getValueAsString.
Locale is now obtained from Context.
