Arch docs: Added lxc-docker-nightly AUR package, modified deps

lxc-docker-nightly installs latest build. Removed go from dependencies, as it is not needed in lxc-docker and lxc-docker-nightly. The -git package will flag go as a dependency upon installation.

docs/sources/installation/archlinux.rst

@@ -12,26 +12,28 @@ Arch Linux
 .. include:: install_unofficial.inc
 
 Installing on Arch Linux is not officially supported but can be handled via 
-either of the following AUR packages:
+one of the following AUR packages:
 
 * `lxc-docker <https://aur.archlinux.org/packages/lxc-docker/>`_
 * `lxc-docker-git <https://aur.archlinux.org/packages/lxc-docker-git/>`_
+* `lxc-docker-nightly <https://aur.archlinux.org/packages/lxc-docker-nightly/>`_
 
 The lxc-docker package will install the latest tagged version of docker. 
 The lxc-docker-git package will build from the current master branch.
+The lxc-docker-nightly package will install the latest build.
 
 Dependencies
 ------------
 
 Docker depends on several packages which are specified as dependencies in
-either AUR package.
+the AUR packages. The core dependencies are:
 
 * bridge-utils
 * device-mapper
-* go
 * iproute2
 * lxc
 
+
 Installation
 ------------
 
@@ -42,7 +44,7 @@ done so before.
 
 ::
 
-    yaourt -S lxc-docker-git
+    yaourt -S lxc-docker
 
 
 Starting Docker