added an environment file testing
Update .gitignore

Updates to TestingEnv.h are ignored.
Update .gitignore
Update README.md

installation instructions
Update README.md
new tags
Merge branch 'develop' of https://github.com/SlidePay/SlidePay_iOS into develop
Merge branch 'develop'
podspec points to 0.0.1
rambler library
Update README.md
rambler hardware
dev podspec
working hardware pod
device type set to ios_sdk
documentation updated for SPPayment json methods
Merge branch 'release/0.1.1'. Documentation changes in SPPayment, payments use device_type
Merge branch 'release/0.1.1' into develop
Merge branch 'master' of https://github.com/SlidePay/SlidePay_iOS
api keys; changes to payment asJSON