add ajax search and multiselect to authors
save array of user ids
load initial list of authors
add route for user search
cache user names and PUT a list of ids for authors
Merge pull request #480 from Connexions/user-search

Add ajax search against /users/search?q=
match api structure authoring is expecting
need that $
Merge pull request #485 from Connexions/pub-api-fixes

match api structure authoring is expecting
merge editing in