Ignore touches on contenteditable elements to prevent conflict with text selection.
Fixed whitespace to tabs.
Updated comment to link to issue #127.
Merge remote-tracking branch 'skinandbones/contenteditable'

Upstream pull request: https://github.com/ftlabs/fastclick/pull/211

Conflicts:
	lib/fastclick.js
Fix touching elements nested inside labels

Rather than only checking if the touched element itself is a label,
check parent elements recursively to see if the touched element is
sitting within a label.
Fix bug when clicking on the actual control

 - Focus the actual label rather than the element touched.