Updating deprecated $.ajax params

success/error/complete are deprecated in favor of done/fail/always.
Merge pull request #103 from ljharb/patch-1

Updating deprecated $.ajax params
document.body is faster than 'body'

See http://jsperf.com/jquery-body-vs-document-body-selector
Adding toHaveLength
Adding tests for toHaveLength
Merge pull request #104 from ljharb/patch-2

document.body is faster than 'body'
Merge pull request #105 from ljharb/toHaveLength

Adding toHaveLength matcher
update jQuery to 1.9
fix broken test from #105
behaviour between success and done are not the same #103
make toBeFocused compatible with PhantomJS (fix #107)
update jasmine
toHaveValue shouldn't coerce types (fix #109)