Revert "Start moving back to common JOSM i18n system"

This reverts commit 7442e0b.

It looks like non-JOSM core devs are maintaining this repo.

Author: tsmock

.gitlab-ci.yml

@@ -118,7 +118,6 @@ transifex.com:
         name: transifex.com
         url: https://www.transifex.com/josm/josm/josm-plugin_pt_assistant/
     script:
-        - mv .tx/config_old .tx/config
         - TX_TOKEN="$TRANSIFEX_TOKEN" tx push -s --no-interactive
     needs:
         - build

.tx/config_old .tx/config.tx/config_old renamed to .tx/config

@@ -1,14 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <project name="pt_assistant" default="dist" basedir=".">
   <property name="plugin.src.dir" value="src/main/java"/>
-  <property name="plugin.resources.dir" value="src/main/resources"/>
 
   <!-- edit the properties of this plugin in the file `gradle.properties` -->
   <property file="${basedir}/gradle.properties"/>
 
   <!-- ** include targets that all plugins have in common ** -->
   <import file="../build-common.xml"/>
 
+  <!-- Override the `setup-dist-default` task from build-common.xml -->
+  <target name="setup-dist-default">
+    <copy todir="${plugin.build.dir}" failonerror="no" includeemptydirs="no">
+      <fileset dir="src/main/resources"/>
+    </copy>
+    <copy todir="${plugin.build.dir}">
+      <fileset dir=".">
+        <include name="README"/>
+        <include name="LICENSE*"/>
+        <include name="*GPL*"/>
+      </fileset>
+    </copy>
+  </target>
   <target name="additional-manifest">
     <manifest file="MANIFEST" mode="update">
       <attribute name="13957_Plugin-Url" value="v2.0.0;https://github.com/JOSM/pt_assistant/releases/download/v2.0.0/pt_assistant.jar" />