fix requirement in the spec and gemspec

plugin do not use json, no mention of rspec or mocha in the code
or rakefile, and that's the stickshift-common gem that's used
Fix gemspec for missing and incorrect requirement

- json is only used for tests
- rails is used in ./lib/remote_user_auth_engine.rb
- openshift-origin-common in ./config/initializers/openshift-origin-auth-remote-user.rb
Move plugins.d/README from the node to the broker

The /etc/openshift/plugins.d/ directory and the README file therein are
related to the broker, not the node.

This commit also modifies the spec file so that the README file is actually
shipped in the RPM.
Separate config from environments
Merge remote-tracking branch 'origin/master' into separate_config_from_environments
<oo-cart-version> remove online-specifics so works in origin
Add a test case for configuration to ruby values
Bug 87442

Avoid confusion arising from app-root/repo/node_modules/read.me implying that read.me file should not be removed when force_clean_build marker is present.

app-root/repo/node_modules/read.me is now removed, and app-root/repo/README.md will point to updated documentation at https://github.com/openshift/origin-server/blob/master/cartridges/openshift-origin-cartridge-nodejs/README.md, which explains the purpose of the node_modules directory.
Move v2 mysql setup invocation marker to gear data directory
Bug 953357 - Check to make sure the server alias is passed as an argument.
Add support for specifying websocket port in the manifest.
Bug 928675

Replace all occurrences of http://openshift.redhat.com with http://www.openshift.com
Merge pull request #2144 from sosiouxme/fixcartvers

Merged by openshift-bot
Merge pull request #2154 from rmillner/misc_bugs

Merged by openshift-bot
Merge pull request #2157 from mrunalp/dev/websocket_port

Merged by openshift-bot
Bug 953401: Run v1 tidy in the correct user context
The v2 cartridge needs to pull in the ruby-1.8 dependencies as well

Also, I sorts these more alphabetically by section.
Merge pull request #2094 from BanzaiMan/dev/hasari/bz928675

Bug 928675
Bug 952513
Merge pull request #2159 from ironcladlou/bz/953401

Merged by openshift-bot