hide button unless admin,  only add jobFiles for works that exist currently.
defects.  add original role. only show button for autherised access. only allow access to corec users for upload
address identify defects
store bibId against pages as well
Merge branch 'master' into js-dsc-913
add tilePostition
changes from p[r feedback
Merge pull request #800 from nla/js-dsc-913

Js dsc 913