phoss SMP 5.7.0

• Updated to peppol-commons 8.7.x (updated SMP client proxy configuration keys). See Migrations page.
• Updated to phoss-directory 0.10.x (updated Directory client proxy configuration keys). See Migrations page.
• Updated to ph-oton 8.4.0 which lead to dropping support for old Internet Explorer versions for the UI.
• Added experimental support for OASIS BDXR SMP v2 via the new smp.rest.type Configuration value bdxr2
• The "not before" and the "not after" dates of the SMP certificate can be shown in the status. See issue #203 - thanks @jonaswest
• The check in "Tasks/problems" to see if the SMP is already registered to the SML was limited to the Peppol mode
• Participants previously migrated to another SMP can be migrated again, if necessary. See issue #209 - thanks @sakasaka19
• If an outbound proxy server is configured, that is displayed on the left hand side under the menu in the UI
• [SQL] Fixed a syntax error in Oracle migration V15
• [SQL] Improved the SQL syntax support for Oracle
• [SQL] Started adding support for DB2 as an SQL backend. The DB2 support is still considered experimental, so handle with care - thanks @gilescp for providing all the input
• [SQL] Added support for multilingual names in Business Cards if created via the import. See issue #210 - thanks @tmhide
• [SQL] Removed the length constraint from smp_service_metadata_red.redirectionUrl. See issue #206 - thanks @tmhide

Full Changelog: phoss-smp-parent-pom-5.6.2...phoss-smp-parent-pom-5.7.0