4.0.0 com.github.osvaldopina signed-contract-impl 0.0.4 com.github.osvaldopina signed-contract-base 0.0.4 signed-contract-base Signed contract base abstractions org.apache.maven.plugins maven-compiler-plugin 3.3 1.6 1.6 org.apache.maven.plugins maven-source-plugin 2.2.1 attach-sources jar-no-fork org.apache.maven.plugins maven-javadoc-plugin 2.9.1 attach-javadocs jar