bump version to 3.4.3

bump version to 3.4.2

Merge pull request opentok#126 from opentok/3.4.0

v3.4.0

bump version to 3.3.0

bump version to 3.2.5

bump version to 3.2.4

bump version

Merge pull request opentok#82 from opentok/3.2.2

3.2.2

fix id and bump version

Merge pull request opentok#16 from opentok/2.13

update android and ios to use 2.13.0 sdks