Remove jesyspa from editors

He's an author now, so he doesn't need to be an editor anymore.
Edited about half of the document.
add a test file
Remove the test file.

It was there to test wei's build system.
Merge branch 'develop' into f-ch2edits
Add a macro for italicizing.
Functions get their own section.
\i is now a \renewcommand.
Merge branch 'develop' of github.com:learnmath/lysa into develop
Change wei's title
Add dts's alternative nick
Trim off unnecessary part of link to webchat.
Merge branch 'irc-link' into develop
ELI5 nightly builds.
Trim off unnecessary symbol.
Add everyone's location.
Merge pull request #89 from wei2912/develop

Trim off unnecessary part of link to webchat.
Add date to "As of...no releases"

The "as of...no releases" thing is pointless without a date.
Merge pull request #90 from pharpend/f-readme_edits

Some edits to the readme.
Merge pull request #80 from pharpend/f-ch2edits

Edits to chapter 2