Modified launch_instance_form_instance_lp and launch_instance_from_images_lp to take key pair name as a parameter.
Modified create_volume testcase to pick up availability zone from dashboard
Merge pull request #64 from aliceh/master

Removed hardcoded key-pair from launch instance from images LP and instances LP tests, removed hardcoded availability zone from selenium IDE create volume tests.
Merge branch 'master' into EUCA-7732