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.
Using password field instead of plain text input for the certificate passphrase.
Do not remove file that do not exist
Split the settings page from the my account page
Send all settings interactions to the settings page, and fix tests.  Add a few more tests around the settings page, specifically for new key and new domain.
Improve console rest api memory usage by reducing copies
Merge pull request #2179 from jwhonce/wip/raw_envvar

Merged by openshift-bot
Merge pull request #2177 from smarterclayton/split_settings_page

Merged by openshift-bot
Merge pull request #2178 from smarterclayton/improve_memory_usage_of_rest_api

Merged by openshift-bot
Merge pull request #2062 from Miciah/move-plugins.d-README-from-node-to-broker

Merged by openshift-bot
Fix find/delete command for openshift-console and console packages. Bug 888714.
Merge pull request #2180 from kraman/bugz/888714

Merged by openshift-bot
Merge pull request #1858 from mscherer/fix/gem_spec/auth_remote

Merged by openshift-bot
Update outdated links in 'cartridges' directory.

Addresses Bug 928675
<oo-accept-broker> Fixes to generalize over RHEL and Fedora

Wrap ruby and bundler in functions to achieve platform-appropriate
invocations (scl vs. standard), detect scl presence
<oo-accept-broker> cleanup, documentation comment

Comment explaining why ruby output in load_application_values is run
through tail
Merge pull request #2181 from BanzaiMan/dev/hasari/bz928675

Merged by openshift-bot
Merge pull request #2182 from dobbymoodge/oo-accept-broker

Merged by openshift-bot
fix spec