Document examples of valid lib.timezone setting values

[Remington Steed]

As mentioned in bug 1752753, we need better documentation for valid inputs for the lib.timezone setting. Eventually, the input widget itself can help with this (see bug 1754364), but until then it seems we need:

- A better settings description that provides a few common examples
- A complete reference, linked from the description and/or from the docs

Branch coming soon to address both of these.

[Remington Steed (rjs7)]

Here's a simple branch which updates the setting description with examples and a link to Wikipedia. Upgrade script is included.

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/rsteed/lp1817332_add_example_to_timezone_setting

[Jane Sandberg (sandbergja)]

I like it -- thanks, Remington. I think that it's important to include an example with an underscore too (e.g. Africa/Addis_Ababa or America/Los_Angeles). Otherwise users might not know they need the underscore. Various things break if you try entering one of these with a space instead of an underscore!

[Galen Charlton (gmc)]

I've pushed a branch that signs off on the original patch and adds a follow-up to both implement Jane's suggestion and avoid overwriting any custom description of the setting that may have been added.

user/gmcharlt/lp1817332_lib_timezone_doc
https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/gmcharlt/lp1817332_lib_timezone_doc

I note that when we get around to writing an Angular library settings editor, it may have to be explicitly taught to render (safe) HTML in the org unit setting type descriptions.

[Bill Erickson (berick)]

Looks good. Merged to 3.2 and above. Thanks, All.