Merge pull request #3895 from pherl/3.5.x

Add protobuf-all in post release

post_process_dist.sh

@@ -27,7 +27,7 @@ fi
 
 set -ex
 
-LANGUAGES="cpp csharp java javanano js objectivec python ruby php"
+LANGUAGES="cpp csharp java javanano js objectivec python ruby php all"
 BASENAME=`basename $1 .tar.gz`
 VERSION=${BASENAME:9}