Merge branch 'release/1.4.9'
Merge release 1.4.10
Merge branch 'release/1.4.11'
Merge branch 'release/1.4.12'
Merge branch 'release/1.4.13'
Merge branch 'release/1.4.14'
Merge branch 'release/1.4.15'
exclude wsdls from publishing.
bintray config fix
Merge branch 'master' into dev
post-release cleanup