Switch to hunk refinement on hunk selection.
Adds a snippet for throwing a not implemented exception.
Fooooonts.

 - Let's go the variable-width font path once more.
 - That also mean I don't want more than 1 candidate for ac-completion.
 - Don't show tags (ugly with variable-width fonts)
 - More buffer modes that should always be rendered with a monospace font.
 - Tweak the height of mono-space fonts.
More files and folders that can be ignored by grep.
Speed up helm candidate filtering.
Don't start fci-mode.
Shorten the blink interval.
Update color-theme.
Drops some unused functionality and configuration.
Tweak the name of grep buffers.