HTRACE-65 Add a basic BUILDING.txt
diff --git a/BUILDING.txt b/BUILDING.txt
new file mode 100644
index 0000000..11213b8
--- /dev/null
+++ b/BUILDING.txt
@@ -0,0 +1,18 @@
+On Building HTrace
+
+Requires go version 1.3.1 or 1.4. Also requires godep. See hbase-core/src/go/BUILDING.txt for more.
+Requires Java 1.7 at least.
+Requires maven 3.x.
+
+After installing go, to build, run:
+
+ $ mvn install
+
+To build a tarball, do:
+
+ $ mvn clean install -DskipTests assembly:single
+
+This will build a tarball into ./target.
+
+To skip the rat-check -- it can take a while -- pass
+a -Drat.skip on the  mvn command-line.
diff --git a/src/main/assembly/src.xml b/src/main/assembly/src.xml
index fecbf5d..605e808 100644
--- a/src/main/assembly/src.xml
+++ b/src/main/assembly/src.xml
@@ -43,6 +43,7 @@
               <exclude>.gitignore</exclude>
               <exclude>.settings/</exclude>
               <exclude>**/src/go/bin/**</exclude>
+              <exclude>**/src/go/pkg/**</exclude>
             </excludes>
           </fileSet>
         </fileSets>
@@ -80,6 +81,7 @@
         <include>NOTICE.txt</include>
         <include>CHANGES.txt</include>
         <include>DISCLAIMER.txt</include>
+        <include>BUILDING.txt</include>
         <include>README.md</include>
       </includes>
       <fileMode>0644</fileMode>