EZP-21825: Delete destination file if copy is considered unsuccessful
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-23207: revert fix from EZP-22615: "Not possible to remove an image from an object"

This reverts commit 4fa0c1a588dd5dd7c20fe38f64b4c7e7035fa1dd.
Added missing $placement variable
Fix EZP-23170: swapping node with sub items with non-container node.
Fix EZP-23207: alternative fix for EZP-22615: "Not possible to remove an image from an object"
Fixed code style in asynchronous publishing JavaScript code
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.
Fix EZP-23208: async publishing JavaScript polling gives bad results
EZP-23208: Added a better error handling in the async. publishing queued page
EZP-23208: Improved the async. publishing queue UI

Added some style and made it display the time between two checks and the number
of attempts.
EZP-23208: fixed the wrong version check in the async. publishing ezjscore func
Fix EZP-23211: Impossible to align multiple cells
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.
Improved asynchronous publishing logging

Status changes are now logged to debug.log via
the kernel-content-publish debug key.

Remember that DebugSettings.AlwaysLog must include 'debug',
or else no messages will be logged.
Merge pull request #1043 from ezsystems/EZP-23206-parallel_versions_publishing

EZP-23206: prevent parallel publishing of versions of one content