Translation updates * pt-BR (#4692) * sv (#4666) * zh-TW (#4654)
Merged r3351 from trunk.
Fixed: potential security leak on my page calendar (#4691).
tagged version 0.9.1
Merged r3348 from trunk (version set to 0.9.1).
Updates for 0.9.1 release.
Merged r3346 from trunk.
Fixed: tests with ruby1.9 broken by r3322 (#4607).
Merged r3341 from trunk.
Merged r3343 from trunk.