Add support for custom attributes for services

Automation can now use the "custom_keys", "custom_set", and "custom_get"
methods to manipulate the custom attributes on a service.  Any associated
custom attributes are now visible on the service details page.

https://bugzilla.redhat.com/show_bug.cgi?id=1108331
Add export notice to README.md

As advised by Red Hat expert compliance officers, add export notices to README.md for ManageIQ source code in addition to the notice on the website.
configure httpd authorization

- Add _settings_authentication_tab.html.erb
consolidate match_groups implementations
add httpd authentication
Removed a warning message from automation log

We log a warning everytime a service model is not found. Which includes
basic ruby objects. e.g.
[----] W, [2014-06-20T13:01:03.092624 #3049:3fe521833bdc]  WARN -- :
Service Model string not found
Skip importing $ namespace from legacy XML

The $ namespace is programtically created in the newer domain
based implementation.
Added toolbar buttons to make them consistent for all nodes in Automate explorer

- Added buttons to make them consitent in Automate Explorer.
- Some cleanup in methods that were changed in this PR.
Added toolbar buttons to make them consistent for all nodes in Automate explorer

- Added buttons to make them consitent in Automate Explorer.
- Some cleanup in methods that were changed in this PR.
Cleanup ternary operators that can just use the equality operator.
Fix spec issues from expectations on old calls.

Fixes issues from PR #81 (ee267dc)
https://bugzilla.redhat.com/show_bug.cgi?id=1086015
Merge pull request #97 from h-kataria/ae_cleanup

Added toolbar buttons to make them consistent for all nodes in Automate ...
Merge pull request #106 from Fryguy/fix_ui_vm_summary_1_specs

Fix spec issues from expectations on old calls.
Added createFolder and subFolderMors to the MiqVimFolder class.

Added methods to the VMwareWebService binding that can be used
to list and create child folders.
Merge pull request #90 from mkanoor/skip_default_ns_from_xml

Skip importing $ namespace from legacy XML
Added missing route.

- Added missing route.
- Dryed up spec test and added missing route to spec test.

https://bugzilla.redhat.com/show_bug.cgi?id=1108087
Merge pull request #108 from h-kataria/added_missing_ops_route

Added missing route.
Cleanup ternary operators that can just use the not equal operator.
Cleanup some negative ternary operators to be more readable.
Remove confusing and commented ternary operator.