Merge branch 'hotfix/1.7.4'
Improve topic merge unit test with non-ASCII characters in IDs #1491
Add URI cleaner with non-ASCII output #1491
Fix non-ASCII IDs in topic merge #1491
Add support for line-range pointer in coderef #1492
Preserve language for default revision flags #1484
Fix external keys with onlytopic.in.map #1489
Improve topic merge unit test with non-ASCII characters in IDs #1491
Add URI cleaner with non-ASCII output #1491
Fix non-ASCII IDs in topic merge #1491
Merge branch 'hotfix/1.7.5' into develop

Nothing to merge, hotfix features were backported from develop.
Skip ID validation in resourceid
Update testsuite for resourceid validation
Document Java code
Change integrator to use configuration as a backup #1494
Deprecate integration.properties and clean integrator code #1494
Update test suite
Clean Java indentation and imports
Remove obsolete doc directories #1495
Merge branch 'develop' of github.com:dita-ot/dita-ot into develop