use syn_otp.cmd to clean up werldir
diff --git a/bin/jenkins.cmd b/bin/jenkins.cmd
index 2881809..65ac593 100755
--- a/bin/jenkins.cmd
+++ b/bin/jenkins.cmd
@@ -17,7 +17,7 @@
 

 :: a pristine copy of erlang artefacts is stored in WERL_SRC

 :: cleans out any old build artefacts

-if not defined WERL_SRC  set WERL_SRC=c:\werl

+if not defined WERL_SRC  set WERL_SRC=c:\relax\werl

 if not defined WERL_DIR  set WERL_DIR=c:\jenkins\workspace\werl

 robocopy %WERL_SRC% %WERL_DIR% -mir -log:NUL: -r:0 -w:0

 

@@ -45,4 +45,4 @@
 :: and relax

 

 :: output when all is well, ends up in /etc/windows/ for better or for worse!

-xz
\ No newline at end of file
+xz

diff --git a/bin/sync_otp.cmd b/bin/sync_otp.cmd
index 7da2aa1..76abf78 100755
--- a/bin/sync_otp.cmd
+++ b/bin/sync_otp.cmd
@@ -1,2 +1,3 @@
-robocopy c:\relax\release\otp_src_R14B03 c:\relax\otp_src_R14B03 -mir -log:NUL: 

-robocopy c:\relax\release\otp_src_R14B04 c:\relax\otp_src_R14B04 -mir -log:NUL: 

+if not defined WERL_SRC  set WERL_SRC=c:\relax\werl

+if not defined WERL_DIR  set WERL_DIR=c:\jenkins\workspace\werl

+robocopy %WERL_SRC% %WERL_DIR% -mir -log:NUL: -r:0 -w:0