PLF-6123: [Watch ECMS document] Missing email content with externalized property

Fix description: remove CDATA in properties files
PLF-6049 fix typo of webdav configuration
PLF-6112 Update configuration.properties file with newly added upgrade plugin in PLF 4.1.0-RC2 and rename upgrarde properties file
PLF-6112 remove duplicate decleration of ActionableNodeTypeUpgradePlugin plugin
PLF-6112: Remove the duplicated locales
PLF-6124 fix value of 'intranet.portalConfig.metadata.importmode', add warning for PageUpgradePlugin
Revert "PLF-6115 Fix the usage of OrganizationService"

This reverts commit 326fe20396a1341b65406fe84c7c51599c4d5476.
PLF-6112 Correct the list of enable upgrade plugins for PLF 4.1.0-RC2
PLF-6112 Enable WCMTemplateUpgradePlugin for some changes from UI-3334
PLF-6112 Disable WCMTemplateUpgradePlugin
Upgrade maven-depmgt-pom 9-SNAPSHOT -> 9
PLF-6112: Update the samples of upgrade.properties
PLF-6112: Rename the upgrade sample from Platform 4.0.7. Remove the upgrade sample from Platform 4.1.0-RC1.
Merge remote-tracking branch 'original-upstream-platform/stable/4.1.x'