Sync zoneinfo database with tzdata2011l from munnari.oz.au
* asia: Changed the end date for West Bank's Summer Time for
this year (2011) to match reality reported by Steffen Thorsen.
* australasia: Adjust the end date for Summer time in Fiji in
2012 (Feb) as reported by Steffen Thorsen.
* northamerica: Corrected typo in (ancient) LMT zone offset as
detected by Zefram.
* southamerica: Resume Summer Time in Bahia, Brazil (following the
standard Brazil algorithm, which causes Summer time to start
Oct 16 this year, which matches the report.)