Merge pull request #29 from HBPMedical/migration_script_for_errors

Added migration script

src/main/resources/db/migration/V7_2__UpdateStatusAccordingToResult.sql

+UPDATE experiment
+SET status = 'error'
+WHERE
+result LIKE '%text/plain+error%'
+OR
+result LIKE '%text/plain+warning%'
+OR
+result LIKE '%text/plain+user_error%';