Update version in manifest (fix build number)

Author: robotgryphon

build.gradle

@@ -209,7 +209,7 @@ jar {
                 "Specification-Vendor"    : "",
                 "Specification-Version"   : "1", // We are version 1 of ourselves
                 "Implementation-Title"    : project.name,
-                "Implementation-Version"  : isRelease ? archiveVersion : "nightly-${gitCommitHash}",
+                "Implementation-Version"  : version,
                 "Implementation-Vendor"   : "",
                 "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
         ])