[maven-release-plugin] prepare release jline-2.7
[maven-release-plugin] prepare release jline-2.7

renew-tgi/jline2,fantasy86/jline2,msaxena2/jline2,tkruse/jline2,DALDEI/jline2,scala/scala-jline,scala/scala-jline,ctubbsii/jline2,kaulkie/jline2