Add map property "target"
Map target may be undefined
Add a teleport map example
Make setTarget accept a string
Simplify teleport example
Remove fragile test

The user animation test is sensitive to small timing differences and
randomly fails.  This randomly breaks the integration tests.
Test isElement instead of isDef (thanks @fredj)
Merge pull request #644 from twpayne/remove-fragile-test

Remove fragile test
Avoid generating long lines in exports
Correct property in ol.interaction.DefaultsOptions
Configure ol.interaction.DblClickZoom with options
Avoid duplicate property lookup
Rename DblClickZoom to DoubleClickZoom
Configure ol.interaction.DragRotate with options
Initialize all properties in constructor
Add ol.interaction.condition.always
Export ol.interaction.condition.*
Update ol.interaction.DragRotateAndZoom
Export ol.interaction.DragRotateAndZoom
Add drag rotate and zoom example