Added clean script

diff --git a/CLEAN b/CLEAN
new file mode 100755 (executable)
index 0000000..cbb5f25
--- /dev/null
+++ b/CLEAN
@@ -0,0 +1,3 @@
+find . -type f -name "pootle*" -exec rm -f {} \;
+find . -type f -name "laconica.po.pending" -exec rm -f {} \;
+find . -type f -name "laconica.po.stats" -exec rm -f {} \;