closes #1142 - updated gemspec to point to redis-namespace 1.3
Point Docs link to rdoc
[ci skip]

Fixes #1130
Eliminate infinite recursion when Resque::Helpers mixed into Resque

Some third-party plugins rely on the Resque::Helpers methods being available
in the Resque namespace, as opposed to mixing the helpers module into their
own code. While this is ill-advised, the change in Resque broke expectations
and consumers ended up with weird breakages (see #1150).

This patch enables consumers to mix the Resque::Helpers back into the Resque
module as a workaround until the third-party plugins receive the appropriate
updates:

``` ruby
  # Ill-advised legacy support for gems that hooked into private API.
  # WARNING: This won't work in Resque 2.x
  Resque.extend(Resque::Helpers)
```
Merge pull request #1131 from cade/fix-readme

Fix readme for #1130
use ruby, avoid shelling out. google++
Merge branch 'issue-1154' into 1-x-stable

This is a cherry-pick of an old commit on the 2.x master branch,
and backports a fix to avoid shelling out to get the hostname.

HT: @RunsFor for digging up the solution.

Fixes #1152
Merge remote-tracking branch 'KNEIP/1-x-stable-1142' into 1-x-stable
Merge remote-tracking branch 'root/1-x-stable' into 1-x-stable
Merge remote-tracking branch 'root/1-x-stable' into 1-x-stable