Changed some utils function and some return value for more compliance with libcloud standard provider methods
Changed some utils function and some return value for more compliance with libcloud standard provider methods

andrewsomething/libcloud,apache/libcloud,mistio/libcloud,apache/libcloud,mistio/libcloud,apache/libcloud,Kami/libcloud,Kami/libcloud,Kami/libcloud,andrewsomething/libcloud,mistio/libcloud,andrewsomething/libcloud