Added setting for zooming to double tap location
Revert "Added setting for zooming to double tap location"

This reverts commit c20fe6b9992b6d7e1fd009f7bf4dc7cee8cdb2d2.
Added setting for zooming to double tap location
Removed condition disabling selection of a pin twice
Merge pull request #22 from petehare/master

Option for centring zoom where double tap occurred