Comment 39 for bug 1904036

Another branch:

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/berick/lp1904036-patron-ui-angular-v9

1. Rebased to master

2. Merged ~85 bug fix commits from our production branch that I've been meaning to get to.

3. Two tip commits migrate all menu entries and buttons/links/etc to the new Angular interfaces. For now, these two commits act in affect as the big red undo switch.