* Bugfix: add read back in to the KMS crypto key read method.
Impact of this bug: if a user deleted a crypto key outside terraform and then reran `apply`, the old key would stay in the plan.
* Fix panic in validate method.
* Make import test confirm validity of reads.
* Adds support for creating KMS CryptoKeys resources
* Destroy extant CryptoKeyVersions on CryptoKey destroy
* Inherit project, location etc from KeyRing in CryptoKey
* Add function to calculate next rotation
* Implement RotationPeriod parameter on CryptoKey
* Import CryptoKey state
* Uncommit my local acceptance test hacks
* Docs for google_kms_crypto_key
* Clear id at the end of CryptoKey deletion
Also add more detail to warning message.
* Fix parseCryptoKeyId error messages
* Use correct naming in CryptoKeyIdParsing test
* Check RotationPeriod is present in acceptance test
* Rename variable in test function for consistency
* Fix wrong resource name in cryptokey docs
* Add KeyRing to CryptoKey doc example
* Run test CryptoKey configs through terraform fmt
* Don't set CryptoKey purpose in terraform state on import
* Fix indentation in CryptoKey test
* Parallelise CryptoKey tests
* Set rotation_key on CryptoKey read
* Move RotationPeriod validation to planning phase
* Use import state passthrough for CryptoKey
* Correct casing issues in test case names
* Remove redundant CheckDestroy calls in CryptoKey tests
* Add explanatory comment about extra test steps
* More explicit error handling in CryptoKey tests
* Explicit dependency on project services in test keyring configs
* Clean up comments in cryptokey resource
* Do not repeat in cryptokey id regexes
