MYRIAD-309 Update CHANGELOG for v0.4.0 release
MYRIAD-309 Update CHANGELOG for v0.4.0 release

apache/incubator-myriad,apache/incubator-myriad,apache/incubator-myriad,apache/incubator-myriad,apache/incubator-myriad,apache/incubator-myriad