Bump version for 2.2.10-pl release
Merge branch 'release-2.2' into develop

* release-2.2:
  Bump version for 2.2.10-pl release

Conflicts:
	_build/build.sample.properties
	_build/build.xml
	core/docs/changelog.txt
	core/docs/version.inc.php
Restore scrolling to resource tree
Restore scrolling in Resource tree

Merge remote-tracking branch 'origin/pr/644' into pr/644

* origin/pr/644:
  Restore scrolling to resource tree