Merge pull request #1226 from Eric-Brison/3.3-E4786

feat(document); add url in documentFormat for local images (refs #4786)
fix(doc): add missing properties on docread (refs #4897)
Merge pull request #1227 from Eric-Brison/3.3-I4897

fix(doc): add missing properties on docread (refs #4897)
fix(sessions): add optional session parameter in whatInitialisation (refs #4860)
feat(document); thumbnail is original image in size is zero (refs #4786)