2014-01-22: Added tag v0.5.4 for changeset f9c6e637d91d stable

Added tag v0.5.4 for changeset f9c6e637d91d

diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -7,3 +7,4 @@ c5c1f8a58c298f6894ed4386e9df6866a7e629a2
 ce8ccd40ef936710e76200d2ee138535e4ab0fb4 v0.5.1
 00de78a95055f846906d57b1a094a1c3e6bb2dbd v0.5.2
 df64e82e0920bdd079d77cd4829bac9d30461a25 v0.5.3
+f9c6e637d91d107bbf2ad807f30dc04150ddb251 v0.5.4