added mu4e face
Merge pull request #65 from jordanwade90/master

Set mouse pointer color
Fix mispelled face names
Do not inherit from non-existing faces
Fixup Gnus faces

Remove the `-face` suffix, because these faces are deprecated aliases.
Remove `gnus-group-mail-{4,5,6}[-empty]` faces, because these are not
actually defined by Gnus.
Merge pull request #66 from lunaryorn/fix-incorrect-faces

Fix a bunch of faces
fix typo
comment face for org-agenda-done
org-sexp-date same in agenda and other views