Add mvn site:site to howtobuild and update appassembler directory as executable
diff --git a/HOWTOBUILD.txt b/HOWTOBUILD.txt
index 99c14d2..4740aed 100644
--- a/HOWTOBUILD.txt
+++ b/HOWTOBUILD.txt
@@ -25,6 +25,7 @@
 
 * cd to Chainsaw project checkout directory
 
+	mvn site:site
 	mvn install
 
 This will automatically build and assemble the Chainsaw distribution which includes a .sh & .bat shell script to run Chainsaw.  You can then run Chainsaw as follows:
diff --git a/src/assembly/standalone.xml b/src/assembly/standalone.xml
index f6656db..667fb0e 100644
--- a/src/assembly/standalone.xml
+++ b/src/assembly/standalone.xml
@@ -28,6 +28,7 @@
       <directory>target/appassembler/bin</directory>
       <outputDirectory>bin</outputDirectory>
       <lineEnding>unix</lineEnding>
+      <directoryMode>0755</directoryMode>
       <fileMode>0755</fileMode>
     </fileSet>
     <fileSet>