Destroy method
update dependencies
replace two regexes with one
update browserify
Merge pull request #223 from leoasis/destroy_method

destroy() method for Quill instances
discourage usage of latest
consistent spacing
Move padding to container

destroy() gets rid of editor which removes padding
update sauce browsers
update ios version
Allow shorthand for toolbar config

The toolbar module will assume if it gets a string or element it is the
container. Ex:

var quill = new Quill('#editor', {
  modules: { toolbar: '#toolbar' }
}

Previously it had to be { toolbar: { container: '#toolbar' } }
add setText
fix image regex
bump version