* license change
* update to notes on code updating
* renaming helper functions for creating fully-qualified paths
* making certain static final members private
* adding some documentation
* minor reformating
* Creating LocalPubsubHelper, using it in PublisherApiTest
* Making the constructor of PublisherApi protected so that subclasses can be created

* Making template constants private
* Adding helper methods to extract variables from template paths
* Making it possible to have multiple instances of LocalPubsubHelper
* Removing getChannel from *Api classes (not used anywhere)
* Other cleanup

* ApiUtils: Fixing usage of credentials when channel is null
* ApiUtils: Function rename for clarity
* ApiUtils, ServiceApiSettings: improving comments
* ApiCallable: Removing obsolete stuff
* not returning 'this' from LocalPubsubHelper.start()

* Add dependency on gax-java
* Add dependency on grpc-pubsub-v1
* Regenerating the *Api classes
* Using the emulator runner from GAX
* Updating the test accordingly

fixes googleapis#387 - Moving references of delete topics to get/list calls
fixes googleapis#386 - Removing the problematic wording
fixes googleapis#385 - Changing 'returns' to 'generates' when referencing errors

* Moving settings constants and data into new settings classes
* Making use of ApiCallableBuilder in the new settings classes
* Simplifying the Api classes

Refactorings:

- Remove section headers from comments
- Remove innerClass and move util methods to top level.
- Rename ApiCallableBuilder to just Builder
- Rename XPath into XName
- Rename XMethod into XCallSettings in XSettings classe

Improvements:

- Let the user decide whether to auto-close provided channel
- Make all generated methods final
- Use Duration instead of long to avoid time unit confusion
- Support bundling limits configuration

Others:

- Update unit tests
- Update pom and dependency

- Update grpc-pubsub-v1 version 0.0.2
- Update grpc version to 0.12.0

Update pubsub client with latest surface changes, add throws in javadoc and update gax dependency to 0.0.9

- compatible with GAX 0.0.11
- better documentation

* adding PubSubOptions, PubSub and its factories

* Adding data types and define API

* Add ReceivedMessage and fix review comments

* Fix code review comments and add DefaultPubSubRpc

* - Fix some codacy issues
- Make messages consistent with proto defaults
- Rename acknowledge to ack
- Add nack
- Add PullCallback

* applying code review comments

* add ByteArray

* translate exceptions and add more info regarding pull

* consider returnNullOn before throwing

* Fix pubsub-related codacy issues

)

…eapis#992)

* Add TopicId class and tests. Use TopicId in SubscriptionInfo

* Add SubscriptionId class and tests. Use SubscriptionId in listSubscriptions(topic)

* Minor javadoc fixes

* Add identity for deleted topics

* Add base class for operation options, javadoc and tests

* Refactor PullOption
- Make maxMessages a method parameter rather than an optional option
- Move MessageConsumer.PullOption to PubSub
- Remove MessageConsumer.start/stop methods in favor of close()

…s#999)

* Add tests and javadoc for Message and ByteArray

* Add final on static ByteArray methods back

…s#1011)

* Add base service option classes for gRPC and HTTP services

* Rename ExecutorProvider to ExecutorFactory, refactor shutdown and serialization

* Regenerated pubsub surface

Improved code samples
Client side validation of resource names
Updated GAX

* Removed formatted prefix from parameters

…is#1015)

…s#1022)

…s#1023)

…s#1038)

…leapis#1031)

* Add AckDeadlineRenewer class for automatic ack deadline renewal

* Refactor renewer tests and wake up renewer only when needed

* Skip removed/re-added messages when scheduling new renewal

* Better tuning of ack deadline in renewer

…apis#1048)

…apis#1043)

…pis#1075)

- add libraryName() and libraryVersion() to ServiceOptions
- use setClientLibHeader in DefaultPubSubRpc