PHRAS-183 #fix report
PHRAS-95 PHRAS-173 #fix usage of pdf or video thumbnail as display image for stories
PHRAS-182 #fix validation authentication
PHRAS-184 #fix highlight issue in detailled view
PHRAS-181 #fix edit button action display according to user rights
PHRAS-169 #fix update locales
PHRAS-185 #fix flickr bridge connection
PHRAS-152 #fix Add flatten option to disable transparancy
Merge pull request #1117 from nlegoff/fix384

[3.8.5] Fix some bugs