Created emacs package
Emacs Package upgrade
emacs package update
Created abook package
emacs just without x
Merge pull request #237 from hanspolo/master

New packages: abook and emacs from hanspolo.
Merge pull request #238 from Ypnose/master

s-nail: update to 14.5.1
emacs: add some optional build options.
bluez: update to 5.13.
xextproto: update to 7.3.0.
New package: presentproto-1.0.
New package: dri3proto-1.0.
New package: libxshmfence-1.1.
xproto: update to 7.0.25.
glproto: update to 1.4.17.
doc/manual.txt: add a new section explaining package build options.
doc/manual.txt: improve build options section.
doc/manual.txt: explain how to show build options for binpkgs.
s-nail: Enable IDNA for NON-US-ASCII