LPS-44255 Revert LPS-44255

Changes in LPS-44255 were making resources (such as
/sprite/html/themes/control_panel/images/common/_sprite.png) to take a
lot ot time to download (around +20 secs) since it is sending "Content-Length" header incorrectly,
together with Gzip content.
LPS-34490 Add new parameter attributes
LPS-34490 Add alt input in wcm image
LPS-34490 SF
LPS-34490 Revert changes to DDMImpl, Field and JournalConverterImpl for now. Will readd later
LPS-34490 Add alt value as part of the DDM file data
LPS-34490 Update ftl templates
LPS-34490 SF
Lang keys