added provider plugin id

plugins/org.yakindu.base.expressions.edit/plugin.properties

@@ -1,7 +1,7 @@
 #
 
 pluginName = Expressions Edit Support
-providerName = www.example.org
+providerName = yakindu.org
 
 _UI_CreateChild_text = {0}
 _UI_CreateChild_text2 = {1} {0}

plugins/org.yakindu.base.expressions/META-INF/MANIFEST.MF

@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: org.yakindu.base.expressions
-Bundle-Vendor: My Company
+Bundle-Vendor: yakindu.org
 Bundle-Version: 2.1.2.qualifier
 Bundle-SymbolicName: org.yakindu.base.expressions; singleton:=true
 Bundle-ActivationPolicy: lazy