Add z-scroll and Z-commands
Remove release.nix

I keep my own copy.
Remove outdated/redundant stuff from doc

We link to most of this (already compiled) stuff at the bottom of
README. I leave the blog directory intact for now because because we
should port the contents of some of the posts first.
Some cleanup
Merge pull request #592 from siddhanathan/master

Add z-scroll and Z-commands
Use yi-rope package
yi-rope bound
Revert "Use yi-rope package"

This reverts commit 25068c301f7160be635742a774e281753706e18f.

Conflicts:
	yi/yi.cabal
Try --force-reinstalls in attempt to fix travis build.
Fix $0 not unsetting sticky eol.
Fix copypaste mistake.
Vim: Y to yank entire line

Closes #597