[maven-release-plugin] copy for tag v1.5.4

[maven-release-plugin] copy for tag v1.5.3

[maven-release-plugin] copy for tag v1.5.2

[maven-release-plugin] copy for tag v1.5.1

[maven-release-plugin] copy for tag v1.5.0

[maven-release-plugin] copy for tag v1.4.0

Build & Deploy Java Agent on Travis-CI. (getsentry#479)

[maven-release-plugin] copy for tag v1.3.0

[maven-release-plugin] copy for tag v1.2.2

[maven-release-plugin] copy for tag v1.2.1