[maven-release-plugin] copy for tag v1.7.2

[maven-release-plugin] copy for tag v1.7.1

[maven-release-plugin] copy for tag v1.7.0

[maven-release-plugin] copy for tag v1.6.0

Release version 1.5.2

Fixes travis.yml

[maven-release-plugin] prepare release v1.4.0

Updates the orbisgis-nexus version.

[maven-release-plugin] prepare release v1.3.3

[maven-release-plugin] copy for tag v1.3.2