Ignore theano/version.py, which is to be generated at 'build' time.

5b47bdcb · David Warde-Farley · af0fbb52 · 5b47bdcb
--- a/.hgignore
+++ b/.hgignore
@@ -22,3 +22,4 @@ html
 pdf
 pull.sh
 setuptools-*.egg
+theano/version.py