Bug 11299: Add a button to the biblio edition page to automatically add authority...

Bug 11299: Add a button to the biblio edition page to automatically add authority links in the current biblio record via AJAX. Also adds a button to easily create missing authority records.

 add authority type in the form to create the missing  authority.
 when authority was found, the 600$9 field have the authid.

Testing scenario (Creating an authority record for a failed automatic link) :

 1 - In your system preferences set:
    AutoCreateAuthorities: Don't generate
    BiblioAddsAuthorities: Allow
 2 - Go to the Cataloging -> New record (koha/cataloguing/addbiblio.pl)
    Ensure you are using the basic editor
 3 - Click the "Link authorities automatically" button.
    A message should appear, telling the user "No authority link was changed."
 4 - Add random informations in field 600$a of the biblio record.
 5 - Click the "Link authorities automatically" button.
   the message box should now show  "600 - No matching authority found.".
   the 9 subfield is red
   Above the 9 subfield is a red X with a blue plus next to it
   Hover on the plus, see it is titled 'Create authority'
 6 - Click the 'Create authority' link
 7 - A new authroity form pops up, the info from the cataloging editor is prefilled
     Click the 100 field heading to expand and confirm info is transferred
 8 - Fill in necessary fields and save the new authority
 9 - The cataloging screen now has the 9 subfield populated and is green
10 - Click "Link authorities automatically" again
     Dialog says "No authority link was changed"
11 - In another tab go to System preferences and set AutoCreateAuthorities to 'Generate'
12 - Add random information to the 650 field
13 - Click 'Link authorities' button
14 - Dialog says:650 - No matching authority found. A new authority was created automatically.
15 - The subfield 9 is green and has the id of the new authority record
16 - In another tab search authorities and find an existing subject heading
17 - Add a new 650 with the info from the existing record
18 - Click 'Link authorities'
19 - The new field is correctly linked to existing authority

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
https://bugs.koha-community.org/show_bug.cgi?id=12299
Signed-off-by: Michal Denar <black23@gmail.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Michal Denar <black23@gmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>