This commit is first of few commita which aim to change all the
bugdown references to markdown. This commits rename the files,
file path mentions and change the imports.
Variables and other references to bugdown will be renamed in susequent
commits.
We're migrating to using the cleaner zulip.com domain, which involves
changing all of our links from ReadTheDocs and other places to point
to the cleaner URL.
This commit replaces fa-file-text-o with fa-file-code-o which is a
better signal for the "view source" action. It also deletes a single
line comment that had suggested the change once we moved into font
awesome 4, which Aditya Bansal <adi.bansal241996@gmail.com> helped
out in doing, first via
91962aa6ab and most recently via
75ae94e459 with several commits in
between.
Documentation for tab switcher added under User documentation
features as a section at the bottom of "Tips and Warnings" article.
Text substantially rewritten by tabbott.
Fixes#12505