Multitouch pan and zoom support#59

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natevw wants to merge 8 commits intosimplegeo:masterfrom

Commits on Aug 19, 2010

implemented webkit-specific touch handler - experimental; crashy
RandomEtc
committed

Commits on Mar 18, 2011

basic port of the touch handler code from https://github.com/andyet/OpenLayers-Multitouch
natevw
committed

Commits on Mar 21, 2011

map can now be changed/unset on wheel and touch handlers
natevw
committed
wheel and touch handlers now handle new map container change event (though the map itself doesn't seem to change containers corrrectly)
natevw
committed
Revert "wheel and touch handlers now handle new map container change event (though the map itself doesn't seem to change containers corrrectly)"
natevw
committed
Revert "map can now be changed/unset on wheel and touch handlers"
natevw
committed
Merge branch 'master' of github.com:andyet/polymaps into touch
natevw
committed
fixed touch events and matched touch map initialization to latest trunk
natevw
committed