Defined dynamic class vars in eZURLAliasML

This satisfies IDEs and helps with debugging
Fix ezjscore CSS packer not recognizing paths to files containing GET parameters with values
Fix EZP-21758: Custom variables are not correctly exposed in legacy templates when doing a sub-request
EZP-21758: Fixed array to string conversion
EZP-21768: Changed var comparison to assignment
EZP-21773: Set reference to false if setting is empty
EZP-21758: Fixed another (stupid) array to string conversion

This was due to the fact that "_custom" key in $viewParameters was
removed after $viewParameters was assigned to the template.
Yes, (facepalm)...
EZP-21818 : fix translation starting with new line
Add-on EZP-21731: Some parts of eZ Publish use a loose test for checking for SSL

Further simplifications.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Fix EZP-21656: PSpell plugin fails with eZFormToken
Add basic tests for eZSys::isSSLNow() and eZSys::serverProtocol()
Add-on EZP-21731: add tests for eZHTTPTool::createRedirectUrl()
EZP-21619: Updated INI doc for redirectAfterPublish feature
Merge pull request #815 from ezsystems/improve/EZP-21619-redirectAfterPublish_ini_doc

EZP-21619: Updated INI doc for redirectAfterPublish feature
Fix EZP-21585: ORA-12899 when creating content in japanese

Externalize some string related operations in the eZDBInterface
so it is possible to override them to have a different
behavior depending on the DB in use.
Fix EZP-21740: Added DFS cluster DB update script
Merge pull request #817 from pedroresende/EZP21740_2

Fix EZP-21740: Added DFS cluster DB update script
Fix EZP-21807: link is duplicated on table row insertion
Bumped master to 5.3.0alpha1
Fix EZP-16144: Implement '--quiet' option in ezpgenerateautoloads.php script