Update plugin xml and gradle build to try resolve plugin publish issues.

Author: Layoric

src/ServiceStackIDEA/build.gradle

@@ -27,7 +27,7 @@ jbToken = properties.getProperty("jetbrains.plugins.token")
 
 intellij {
     version '2019.2'
-    plugins = ['maven','java']
+    plugins 'maven','java'
     pluginName 'ServiceStackIDEA'
     updateSinceUntilBuild false
 

src/ServiceStackIDEA/src/main/resources/META-INF/plugin.xml

@@ -31,11 +31,13 @@
 
   <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Build+Number+Ranges for description -->
   <idea-version since-build="192.0"/>
+  <module value="com.intellij.modules.platform"/>
+  <module value="com.intellij.modules.lang" />
 
   <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Plugin+Compatibility+with+IntelliJ+Platform+Products
        on how to target different products -->
-  <depends>com.intellij.modules.lang</depends>
   <depends>com.intellij.modules.platform</depends>
+  <depends>com.intellij.modules.lang</depends>
 
   <extensions defaultExtensionNs="com.intellij">
     <!-- Add your extensions here -->