temp update to AFN 1.3.1
iOS Push security branch
add version
Adding some usage infos
Abstracting the server URL
Adding secret
remove 'mobile' prefix
update err msg too
README reflects new API
nail the versions of test dependencies
Moving dependency to framework section/group
Getting rid of throwing internal exceptions; performing invocation of failure block instead
Reflecting new API behavior on the BDD spec
use of the 'stubRequestsPassingTest' method
fix typos
Updating version ref in Podspec
Adding License file
Fixing podspec issues
Moving spec file around
iOS client side changes for AGPUSH-229