add title sort after weight sort

Added tag V01.43 for changeset c4d6ddd5f718

update version number to 1.43

correct tagging for segment.

solve some problems of css for the create content page (modifications in forms.py and ldtform.css) publishedprojectslist.html : modification to have a valid link to the embed page

modifications to have relative src for media in the xml ldt of a project. - Migration in order to set all the project ldt with the new values in the xml. If the media has a content that doesn't exist, the media is erased. If the project has no valid media, the project is deleted. There is a test in project_tests. - The migration uses the command : set_projectldtiri - The command set_projectldtiri uses the function in utils relative_src_xml that returns an xml. The command deletes the projects that have no ldt or the ldt isn't valid (empty string) - Modifications in lignesdetemps to have absolute urls in the xml when we open a project or in the research when we display the results in lignes de temps

Starting 'modifications_relative_ldtxml' branch

start integration of chunked_upload in create content

create_content merge correction

Merge with 9bd66b69effcadeb1fb421529b836814911c80aa

load chunked_upload scripts after DOM

first version of chunked_upload

Starting 'chunked_upload' branch

correct language files.