Yi.FuzzyOpen: delete in favour of yi-fuzzy-open
Yi.Templates: delete in favour of yi-snippet
delete yi-contrib

see yi-graveyard if you want to try and salvage something more
Update changelog slightly
Remove unnecessary calls to withEditor
Nicer status printing
Bump version to 0.11
fix test names for OSX
remove pointless do

as suggested by hlint
Make gf and friends respect ~

Also de-uglify the if not ... then ... else stuff
Default to previous search expression for :%s.

In vim, :%s//<replace exp>/ should replace the previous search
expression (that we already store to use with "n").

Also cleans up some of the code here.

Fixes #676.
temp
Fix "c" behavior with newlines.

LineWise c should not delete last newline. Fix by adding newline and
then going back one character.

Fixes #673 and #674.