Add source parameter for pecl provider 
Add source parameter for pecl provider 

Add source pararameter to php::extension. It's allready in the pecl provider.
mmoll/puppet-php,netors/puppet-php,glorpen/puppet-php,cgalvarez/puppet-php,NickelMedia/puppet-php,mayflower/puppet-php,cgalvarez/puppet-php,mmoll/puppet-php,glorpen/puppet-php,NickelMedia/puppet-php,mayflower/puppet-php,netors/puppet-php