OBGM-344 Changes after rebase to the 0.8.21 release + Moved new source files from src/groovy to src/main/groovy + Replaced ConfigurationHolder to Holders + Replaced org.codehaus.groovy.grails references + Replaced g:createLinkTo with g:resource + Migrated new UrlMappings + Migrated SecurityFilters and RoleFilters into SecurityInterceptor and RoleInterceptor + Fixed imports + Migrated configuration properties from Config.groovy to application.yml and runtime.groovy + Fixed grails application contexts + Refactored newly added lines (like methods and closures) + Checked if @Transactional should be added + Removed /openboxes path from react if was introduced during rebase + Fixed package-lock.json
