Updated for 1.1.0 release
Added 1.1.1 to changelog
Added bower update mechanism
Removed mousenter/mouseleave DOM Event Handling

Fixes #394

mouseenter/mouseleave are not implemented in Webkit very well, so
reverted to mouseover/mouseout.
Added ImageLoader; loads batches of images using async queue pattern
Merge pull request #395 from msalsbery/chrome-mouse

Removed mousenter/mouseleave DOM Event Handling
Changelog for #395
Removed mousenter/mouseleave DOM Event Handling from Unit Tests
Merge remote-tracking branch 'origin/master' into chrome-mouse
Improved Viewer Options Support in Gesture Handling

Apply constrainDuringPan option in flick and drag gesture handling.
Apply panHorizontal and panVertical options in flick and pinch gesture
handling.
Merge pull request #398 from msalsbery/chrome-mouse

Removed mousenter/mouseleave DOM Event Handling from Unit Tests
Merge pull request #399 from msalsbery/constrain-during-pan

Improved Viewer Options Support in Gesture Handling
Fixed errors in image loader reported by JSHint.
Releasing 1.1.1
In progress 1.1.2
Drawer now uses ImageLoader to handle loading images.
Removing debugging lines from Gruntfile
Refactoring image loading system out of drawer.js.
Multiple files can be queued for download simultaneously.