Update decl_epikrisis.xml

Minor corrections. Also changed "Heading" to Opening and "Conclusion" to Closing

added 10 commits

• 400b63e3...ccf371f6 - 9 commits from branch master
• 30e298e1 - Merge branch 'master' into 'Susan.Fogarty-master-patch-10062'

Compare with previous version

merged

mentioned in commit 1777f608