Add back filtering for build properties, and remove unused resource

file.

core/pom.xml

@@ -195,6 +195,22 @@
 
     <build>
 
+        <resources>
+            <resource>
+                <directory>${project.basedir}/src/main/resources</directory>
+                <includes>
+                    <include>es-build.properties</include>
+                </includes>
+                <filtering>true</filtering>
+            </resource>
+            <resource>
+                <directory>${project.basedir}/src/main/resources</directory>
+                <includes>
+                    <include>**/*.*</include>
+                </includes>
+            </resource>
+        </resources>
+
         <testResources>
             <testResource>
                 <directory>${project.basedir}/src/test/resources</directory>

core/src/test/resources/org/elasticsearch/common/io/rootdir.properties

@@ -1 +0,0 @@
-copyappend.root.dir=${basedir}/src/test/resources/org/elasticsearch/common/io/copyappend