Add an empty SpellCheckClient
Add webFrame.setSpellCheckClient API
Call JavaScript to get spell check results
Also expose requestCheckingOfText
Split the words before sending it to spellCheck
Use Chrome's policy for auto correct word
Add option to turn on/off auto correct word
Spell check pasted text
docs: webFrame.setSpellCheckProvider
Merge pull request #942 from atom/spell-check-client

Add support for spell checking