Fix EZP-23195: An empty line at the beginning of a Text block will be lost
Merge pull request #1041 from ezsystems/ezp-23195_textarea_newline

Fix EZP-23195: An empty line at the beginning of a Text block will be lost
Fix EZP-23170: swapping node with sub items with non-container node.
Fix travis timezone declaration issues

Same as https://github.com/ezsystems/ezpublish-kernel/pull/944
Fix travis timezone declaration issues
Fix indentation
Merge pull request #1046 from guillaumelecerf/travis_workaround

Fix travis timezone declaration issues
Merge pull request #1032 from joaoinacio/EZP-23170_swapnode_container_subitems

Fix EZP-23170: swapping node with sub items with non-container node.
EZP-23206: Fix parallel publishing of versions

Made sure asynchronous publishing never publishes different
versions of the same content in parallel, as this will
lead to severe content inconsistencies.