Update travis to jdk 11

Updated dependencies to address vulnerabilities

bumping version

update version

Fixed integration tests

Updated and fixed dependencies

merged pull request #83 adding set to addTags call

Added add tag method that takes a set

Merge pull request #94 from SpriCoder/develop

Merge pull request #79 from joscht-73/develop

Updated dependencies

modify type from `int` to `long`

fixed pom for deploy

Removed dependecy on proofpoint client

Merge branch 'develop' of https://github.com/kairosdb/kairosdb-client into develop