Update spec to 0.9.9.5, contributed by Matt Ford
mu.spec: update to 0.9.11 release

Update spec to 0.9.11 release. Source location changed to github, hence
explicing commit SHA1. Additional packages including guile bindings and
extra scripts in Scheme.
mu.spec: ship elisp files in emacs-mu4e

This should comply with current Fedora Emacs packaging policy
mu.spec: dump extra guile packages

Pull guile bindings into the mu package
mu.spec: verbose build
mu.spec: check target
mu.spec: remove mug man page

mug is not shipped, thus the man page can be removed
mu.spec: bump release number