Release 1.0.0

See #1, release log:

• a13a7e8 by @candrews: Sonatype requires a source jar...
• 9cb7b70 by @candrews: Bump com.jcabi:parent to 0.49....
• 1973afa by @candrews: Changes to align configuration...
• 5c4d16c by @candrews: Workaround the Arquillian tome...
• 8c09c0d by @candrews: In the ActivationSpec, validat...
• 2e6d324 by @candrews: Initial commit

Released by Rultor 1.67.2, see build log