Refactor poster-image, thumbnail, video-preview

Make sure to only use the imageSrc instead of building the urls all over the project.
Fix loading existing geoLocation property in form
Fix showing geo description in property list [Delivers #66792610]
Hide tooltip for property value if has a prepend input because tooltip overlaps with it
Remove errant debugger command
Show _source property in properties list.

Assuming that source hasn't been set by a user.

[Delivers #66802184]
Hide justification tooltip if reference pasted
Mark update property button enabled if valid justication onform load

[Delivers #66804070]
Add required comment to justification field placeholder.

Button doesn't validate (it's disabled), but add a required attribute to the justication field to show that it's invalid when focused and empty.

[Delivers #66238990]
Fix character encoding in highlightText route
Truncate titles in 3d graph just like 2d graph
Fix 3d graph connecting vertices that it shouldn't

Was using a line strip instead of line pieces

[Delivers #66238992]
Hide source,target properties in relationship detail pane
Fix document 'open/download' toolbar items
Remove debug log