Enable configuration via ENV vars of measurement id pattern

Author: sven1103

src/main/resources/application.properties

@@ -13,7 +13,7 @@ users.error.directory.name=error
 # Needs to be present in the users' home folders
 # e.g. /home/<user1>/registration
 users.registration.directory.name=registration
-qbic.measurement-id.pattern=^(MS|NGS)Q[A-Z0-9]{4}[0-9]{3}[A-Z0-9]{2}-[0-9]*
+qbic.measurement-id.pattern=${MEASUREMENT_ID_PATTERN:^(MS|NGS)Q[A-Z0-9]{4}[0-9]{3}[A-Z0-9]{2}-[0-9]*}
 
 #--------------------------------------
 # Settings for the data scanning thread