changed execution order of the before callback
Updates README file to remove "BETA" flag from version number listing.
Merge pull request #764 from danwit/release-2-2-0

Changes execution order of the before callback.
Merge pull request #799 from woothemes/release-2-2-0

Release 2.2.0
Updates minified JavaScript file.
Merge branch 'master' of https://github.com/woothemes/FlexSlider into release-2-2-0