bugfix - Issue#15
replacing preg_replace with preg_replace_callback - issue #15
Changing class name to match file name
Merge pull request #16 from paypal/bugfix--Issue-#15-

bugfix - Issue#15
Adding client id / secret params to openid calls
Updating changelog for openid fix
Minor edits to changelog
Merge pull request #23 from paypal/openid_extraparams_fix

Openid extraparams fix
Updating build.xml for phpunit and converage reports
Adding new testcases
Adding class comments and minor message changes
Minor refactoring for test cases
Adding PPHttpConfig test case
Updating test cases and excluding OAuth classes from coverage reports
Removing external invocation of ConfigManager's default configuration functionality.

  making ConfigManager's getConfigHashMap private so that defaults are now always added.
Fixing incorrect use of CURL constant
Fixing non-static calls to PPConfigManager->getConfigWithDefaults

    Call to PPConfigManager::getInstance()->getConfigWithDefaults() caused error when dynamic config was used without a config file.
Running dos2unix
PPApiService/Handler refactoring for opensourcing changes
Updating retry codes for HttpConnection