Rebuilt for 0.18.0.

Author: seidewitz

org.omg.sysml.jupyter.kernel/gradle.properties

@@ -1,2 +1,2 @@
 group=org.omg.sysml
-version=0.17.0-SNAPSHOT
+version=0.18.0-SNAPSHOT

org.omg.sysml/META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Version: 0.18.0.qualifier
 Bundle-ClassPath: .,
  lib/sysml-v2-api-client-all.jar