Adding the functionality for certificate mappings to the PHP SDK
Formatting changes
Make $createKeys protected

Follows the example of other child classes
Make updateJson method more efficient

Also throws an exception when trying to update an invalid field.
More formatting changes
Match variable name to docblock
Var type is int
ID for certificate map, not Load Balancer
Update documentation for certificateMapping()
Merge pull request #1 from JPry/certificate_mappings

Modifications to PHP Opencloud
Merge branch 'working' of https://github.com/rackspace/php-opencloud into certificate_mappings
Adding unit test to verify we hit the right URL
Merge branch 'certificate_mappings' of github.com:tylerturk/php-opencloud into certificate_mappings
Fixing spacing issue
Fixing spacing issue
Fixing line spacing issue
Whoops, should invoke this correctly
Whoops, should invoke this correctly
Remove trailing s from class name
Adjust variable name