[maven-release-plugin] prepare release gwtbootstrap3-extras-1.0.0
[maven-release-plugin] prepare release gwtbootstrap3-extras-1.0.0

sjardine/gwtbootstrap3-extras,gwtbootstrap3/gwtbootstrap3-extras,gwtbootstrap3/gwtbootstrap3-extras,sjardine/gwtbootstrap3-extras,sjardine/gwtbootstrap3-extras,gwtbootstrap3/gwtbootstrap3-extras