oplogsize patch for mlaunch tests to run on linux.

oplogsize.patch

diff --git mtools/mlaunch/mlaunch.py mtools/mlaunch/mlaunch.py
index 40b7057..89cc05d 100755
--- mtools/mlaunch/mlaunch.py
+++ mtools/mlaunch/mlaunch.py
@@ -1168,7 +1168,7 @@ class MLaunchTool(BaseCmdLineTool):
             key_path = os.path.abspath(os.path.join(self.dir, 'keyfile'))
             auth_param = '--keyFile %s'%key_path
 
-        if self.unknown_args:
+        if self.unknown_args and extra != '--configsvr':
             extra = self._filter_valid_arguments(self.unknown_args, "mongod") + ' ' + extra
 
         path = self.args['binarypath'] or ''
diff --git mtools/test/test_mlaunch.py mtools/test/test_mlaunch.py
index 7ca4fc0..ee998d0 100644
--- mtools/test/test_mlaunch.py
+++ mtools/test/test_mlaunch.py
@@ -76,7 +76,7 @@ class TestMLaunch(object):
         
         if arg_str.startswith('init') or arg_str.startswith('--'):
             # add --port and --nojournal to init calls
-            arg_str += ' --port %i --nojournal --smallfiles' % self.port 
+            arg_str += ' --port %i --nojournal --smallfiles --oplogSize 100' % self.port 
             
             if self.use_auth:
                 # add --auth to init calls if flag is set