Cache the DateTimeZon objects
Cache the DateTimeZon objects

darcs-hash:20080724234619-533db-015a2751ade3b5b8befb8a735fe89acd4742c4b9.gz

shashi/StatusNet,csarven/statusnet,UngPirat/freesocial,Piratas/tortuga,sikevux/bsk-social,UngPirat/freesocial,charnimda/lgbtpzn-social,d3vgru/StatusNet,xebia/statusnet-oauth2,brion/StatusNet,furtherfield/gnu-social,csarven/statusnet,charlycoste/StatusNet,d3vgru/StatusNet,minmb/statusnet,faulteh/gnu-social,faulteh/gnu-social,csarven/statusnet,brion/StatusNet,bankonme/gnu-social,studio666/gnu-social,zh/statusnet,studio666/gnu-social,sikevux/bsk-social,charlycoste/StatusNet,zcopley/StatusNet,meitar/laconica,csarven/statusnet,Piratas/tortuga,foocorp/gnu-social,minmb/statusnet,znarf/statusnet-ladistribution,xebia/statusnet-oauth2,Br3nda/laconica,zh/statusnet,zcopley/StatusNet,sikevux/bsk-social,bankonme/gnu-social,foocorp/gnu-social,furtherfield/gnu-social,d3vgru/StatusNet,chimo/social,charnimda/lgbtpzn-social,studio666/gnu-social,znarf/statusnet-ladistribution,meitar/laconica,Piratas/tortuga,bankonme/gnu-social,zcopley/StatusNet,gnusocial/mainline,minmb/statusnet,chimo/social,xebia/statusnet-oauth2,eXcomm/gnu-social,zcopley/zcopleys-statusnet-clone,furtherfield/gnu-social,eXcomm/gnu-social,gnusocial/mainline,Br3nda/laconica,studio666/gnu-social,meitar/laconica,zcopley/zcopleys-statusnet-clone,sikevux/bsk-social,eXcomm/gnu-social,Br3nda/laconica,chimo/social,furtherfield/gnu-social,faulteh/gnu-social,zcopley/zcopleys-statusnet-clone,charnimda/lgbtpzn-social,faulteh/gnu-social,shashi/StatusNet,shashi/StatusNet,UngPirat/freesocial,bankonme/gnu-social,gnusocial/mainline,zh/statusnet,znarf/statusnet-ladistribution,gnusocial/mainline,brion/StatusNet,foocorp/gnu-social,eXcomm/gnu-social,charlycoste/StatusNet,Piratas/tortuga