Merge branch '5.x_noemail_noplan' into 'master'

CRM/Core/Payment/Stripe.php

CRM/Core/Payment/StripeIPN.php

api/v3/StripeCustomer.php

api/v3/StripeSubscription.php

composer.json

composer.lock

info.xml

vendor/composer/ClassLoader.php

vendor/composer/LICENSE

vendor/composer/installed.json

vendor/stripe/stripe-php/.coveralls.yml

vendor/stripe/stripe-php/.gitignore

vendor/stripe/stripe-php/.travis.yml

vendor/stripe/stripe-php/.vscode/extensions.json

vendor/stripe/stripe-php/.vscode/settings.json

vendor/stripe/stripe-php/CHANGELOG.md

vendor/stripe/stripe-php/README.md

vendor/stripe/stripe-php/VERSION

vendor/stripe/stripe-php/build.php

vendor/stripe/stripe-php/composer.json