Fix publising to Nexus (#722) (#725)

This consolidates publishing shadow artifact and the rest into a single task.
The problem was that shadow publishing task was trying to publish its own POM
and that POM was messing up with the main POM.

Signed-off-by: Zbigniew Halas <[email protected]>

Author: Zbigniew Halas

gradle/publish.gradle

@@ -19,6 +19,9 @@ publishing {
             from components.java
             artifact sourcesJar
             artifact javadocJar
+            project.plugins.withId('com.github.johnrengelman.shadow') {
+                artifact project.tasks.shadowJar
+            }
 
             pom {
                 name = 'jaeger-client'

jaeger-thrift/build.gradle

@@ -80,17 +80,3 @@ artifacts {
     }
     tests testJar
 }
-
-publishing {
-    publications {
-        shadow(MavenPublication) { publication ->
-            project.shadow.component(publication)
-        }
-    }
-}
-
-signing {
-    if (isReleaseVersion) {
-        sign publishing.publications.shadow
-    }
-}