run licensecheck on the first 100 lines (necessary for munin.py

hg/licensecheck.py

@@ -24,7 +24,7 @@ def checkfile( filename ):
 	if os.path.splitext( filename )[1] not in types_to_check:
 		return True;
 	try:
-		fileproc = os.popen( 'licensecheck %s' % filename );
+		fileproc = os.popen( 'licensecheck -l=100 %s' % filename );
 		result = fileproc.read().strip();
 		print( "Licensecheck: " + result );
 		return not result.endswith( "*No copyright* UNKNOWN" );