Simple typo correction in comments.

Change "boundign surface" to "bounding surface".
Incorrect method name in comment

setDefaultTransition -> flip
moved margin to the default options
Default scrollView options to an empty hash

Create an empty hash if no options were passed in so the setOptions
function will fire and the drag and friction options will be set.  Not
doing so prevents momentum scrolling on iOS when scrollView is loaded
without options
Merge pull request #28 from TheAlphaNerd/master

Update Travis and make it lint
Fixes spelling typo.
Merge pull request #29 from greenkahuna/master

Fixes spelling typo.
Merge pull request #1 from cliffcrosland/patch-1

Simple typo correction in comments.
Merge pull request #5 from cem2ran/patch-1

Incorrect method name in comment
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Scrollview.js
no need to call the callback when hiding as it will
be called when the state is set.

fixes #30
Merge pull request #31 from pusherman/master

Fixes issue #30