stubbing out contrib guide
fixing formatting
removed gitflow branching discussion
adding git commands
dropped required
forgot git config
Copyright page now goes after table of contents.
Added blank section "how to read this book"

This is something most books have, and will be important later on.
Merge pull request #33 from pharpend/develop

Add blank section "how to read this book"
contributing is finished

software and graph sections still need attention
still needs notes on travis
Fixed mailto: links in emails.

LaTeX's brace-quoting screwed me around.

LaTeX uses braces (`{}`) like bash uses double quotes. I apparently
misunderstood how they worked, and, for a while, the email addresses were of the
form mailto:{email@domain.tld} instead of mailto:email@domain.tld.

I don't know who still uses mailto: links anymore, but hey, they might as well
be correct.
no-ff dropped from remote->local merge
Merge branch 'f-contributing' into develop
Merge pull request #36 from beingbrown/develop

updated the contrib guide
Merge pull request #35 from pharpend/f-pedantry

A number of pedantic changes
Merge branch 'f-pedantry' into develop
Merge branch 'develop' of github.com:learnmath/lysa into develop
Refactor required software notes.

* Add per-OS install instructions for Gentoo and Ubuntu.
* Move the Magit thing to be a sub-point of the Emacs thing.
Fix ambiguous note about learning Haskell.

It no longer implies that learning Haskell is required, instead gives
resources/suggestions if the contributor doesn't know Haskell.
Add note about git add -p.