Merge pull request #296 from holidayextras/release-v3.0.0

Update changelog for v3.0.0 release.

Author: pmcnr-hx

CHANGELOG.md

@@ -1,3 +1,7 @@
+- 2017-06-01 - v3.0.0
+- 2017-06-01 - Use `Buffer.from` instead of deprecated `new Buffer` which we only support Node.js >= 4.5.0 requiring a major version upgrade for SemVer compliance
+- 2017-06-01 - Fix GraphQL updates
+- 2017-02-06 - Ability to skip graphiql modelling
 - 2017-02-06 - v2.3.2
 - 2017-02-06 - Fix bug when filtering with comma separated list
 - 2017-02-06 - Ability to skip graphiql modelling