2014-03-14: merge releases into default for further development.

merge releases into default for further development.

diff --git a/.hgsigs b/.hgsigs
--- a/.hgsigs
+++ b/.hgsigs
@@ -8,3 +8,4 @@ dbe19fad34f5a48a6cdc18a3c30bf0a3b46a883d
 9f5d31f4cfbf87ff725d8381c8bace8f37b7bd60 0 iJwEAAEIAAYFAlL39tIACgkQ3M8NswvBBUhHOgP/bKXBC1/pUxrB0y8OOn/oAlHwFOhZvJDMeZ4qBnMmEVg1wuT3r60EiwRy3UP8BodLbSuasWL4kSdnrHmlSdxwYD/Kvpm6nf72YdWNImj8DnOkuJ7ugqSpVHrfxaRfT16tmTRH4gOr3xzdaxRooSmk1izTf+y1tD+hGW8UlQELkYg=
 56ab7de66277e9d96f5d3b3384b82a12004263c5 0 iJwEAAEIAAYFAlL3/k8ACgkQ3M8NswvBBUjgZwP/Yr2ArQRXbtJaf70wG4h3UlogMRJz/Nf4dwppi90+w06tYCMdAU8fm5n49Ve67FJLRr4y0r6OMnahG6u/XNqWIokTwK1U/pvRsEqSqvYl3biM7HQb8AYp6evn+3ni8FWoQKobblQ8YBub5adE5qvNwfmCiISFNRraDyZmp2v4FdQ=
 92387b02c301e8debab587caab50979cf1b1981d 0 iJwEAAEIAAYFAlL4CfoACgkQ3M8NswvBBUjvHAP/Zi0rh54I2mirCCRadzyDsiXRnaTI5JXf1295D9HxlY0fe3/CbYQXMloykmLXrawVL4+LgtG/gb3l2J2vgszS1g1t/dvAZkCmo3NV6uJHTgZtUdo4zA5tn8L42zzx9TDrPk8se7Juk0vlbQbTue7VWz6+WL/kBrt9JvESNeDO1gM=
+e0ab625b21674c816904c40a015da2bc80b4d473 0 iJwEAAEIAAYFAlMiPIUACgkQ3M8NswvBBUhTkQP/VsdjqGwhhZ1FuU8sR5gOCi0b/XiTRoWrWKRAVeaHyO70J2lDDrvcLT1WunbUWRskvQaopnQxFiQ7CU29SAEpJUWWNrBfuO9z1+zirqTds0lhiBjDN9KSpfTxdiSCFXEVg0nXzq4w7nBR2wBSg3FmA/GcKvMnA9DX9gdKr5mwBhY=
diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -12,3 +12,4 @@ c0777c0e1f5a04f4779558b8b67f8065cce6477b
 775e4dc0b5b624e6b26a77cc7b99e8cabd256f06 0.5.1
 1a53b1b2eb9482398dfed9f488a1ab0d0be6e247 0.5.2
 f6342564e259bee431776b41f5985dc1fc4af067 0.5.3
+797a90a880f7e3136cc41bfa8c67d5acae35748d 0.6.0