Fix a typo
fixed an issue where the dataView variable was being accessed but did not exist
Merge pull request #835 from paulsfds/master

fixed an issue where the dataView variable was being accessed but didn't exist
Fix #864 - Implement a 'destroy' method on Slick.ColumnPicker.
Update README.md
Merge branch 'master' of https://github.com/icoxfog417/SlickGrid into mergeFix