EZP-21825: Delete destination file if copy is considered unsuccessful
Removed unneeded var definition as the var is not used anymore
EZP-22973: Fix test PHP warnings with postgres - Deprecated: mysql_escape_string()
Fix EZP-23182: Image preview not shown in popup/browse if alias contains quotes
Fix EZP-23185: Image not displayed in editor if alias contains quotes
Fix EZP-23086: Image thumbnail not shown on backend if alias contains quotes

Additional fix to also handle the case where the URL contains several simple
quotes.
Merge pull request #1037 from ezsystems/ezp-23185_image_double_quotes_oe

Fix EZP-23185: Image not displayed in editor if alias contains quotes
Merge pull request #1038 from ezsystems/ezp-23096_thumbnail_double_simple_quote

Fix EZP-23086: Image thumbnail not shown on backend if alias contains quotes
EZP-23019: Completed BC doc

Added detailled instructions on how to fix the case where
wrong values were submitted in 5.3.[0-2].

Also moved BC doc from 5.4 to 5.3 since it gets backported,
and the bug will never exist in 5.4.
Merge pull request #1035 from joaoinacio/EZP-23182

Fix EZP-23182: Image preview not shown in popup/browse if alias contains...
Merge pull request #1034 from joaoinacio/EZP-22973

EZP-22973: Fix test PHP warnings with postgres -
Merge pull request #1027 from crevillo/fname-var-remove

Removed unneeded var definition as the var is not used anymore
Merge pull request #1039 from ezsystems/EZP-23019-date_datetime_bc_migration

EZP-23019: Completed date & datetime BC doc
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