2015-09-24: Added tag v0.9.0 for changeset cb0b13b613cb stable

Added tag v0.9.0 for changeset cb0b13b613cb

diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -32,3 +32,4 @@ f0096bf5f3baee5017be94f49c70515fe2a535b3
 fb551bbe7084d22ef0c8e35df3864eb2aef46005 v0.8.5
 625eec6805f907b9d6338d09c8199e9ed3e79ab1 v0.8.6
 e6977cfff0c8e0d2b1b33f724e0e4607ea15f703 v0.8.7
+cb0b13b613cbd3c39f5384ea85a570fee2bb3569 v0.9.0