Upgrades for mdbook 0.2.0, and link style cleanup.#391

Closed

alercah wants to merge 5 commits intorust-lang:masterfrom alercah:upgrade

+1,037-1,044

Commits on Feb 2, 2019

Move src/theme to theme
Alexis Hunt
committed
Update links in nested directories.
Alexis Hunt
committed
Add vim temporary files to gitignore.
Alexis Hunt
committed
Update travis build to use 2.X
Alexis Hunt
committed
Update internal links to use .md, not .html.
Alexis Hunt
committed