+ Deprecated registration added for schema
+ Jsp files are updated to show a note message to user when status is deprecated
+ Additionally, mysql connection closing added to prevent from memory leaks
+ Checkstyle & Code formatting updates
Refs: #19870
+ A new column (STATUS_MODIFIED) added to T_SCHEMA_SET table to track status changes
+ Schema query for obligations updated
+ Schema sets are displayed by grouping on browse page (deprecated schema sets are shown below)
+ Status modification date displayed on view page
+ Code formatting & Checkstyle updates
Refs: #19870
Fix schema set INSERT sql; reset status changed field when creating new version; improve the layout of status changed field; Refs #19870.
Merge branch 'deprecatedschema_19870'

Conflicts:
	src/main/java/eionet/web/action/SchemasJsonApiActionBean.java
	src/main/java/eionet/web/action/VocabularyFolderActionBean.java