Merge pull request #668 from ably/release/3.1.0

Release/3.1.0

Merge pull request #666 from ably/release/3.0.0

Release/3.0.0

Merge pull request #644 from ably/release/v2.1.3

Release/v2.1.3

Merge pull request #637 from ably/release/2.1.2

Release v2.1.2

Merge pull request #631 from ably/release/2.1.1

Release 2.1.1

Merge pull request #626 from ably/release/2.1.0

Release/2.1.0

Merge pull request #615 from ably/release/2.0.13

Release/2.0.13

Merge pull request #599 from ably/release/2.0.12

Release/2.0.12

Merge pull request #594 from ably/release/2.0.11

Release 2.0.11

Merge pull request #589 from ably/release/2.0.10

Release 2.0.10