Compressed images saving 15% filesize

Compressed using smushit and punypng without loss of quality
Abstract away the row positioning.
Merge pull request #572 from blowsie/master

Compressed images saving 15% filesize
Merge branch 'fixex5' of https://github.com/oshea00/SlickGrid into oshea00-fixex5
Fix typos
prepare to merge from mleibman/SlickGrid
Merge remote-tracking branch 'remotes/mleibman/master'
Fix Safari 6 toString() bug

Merged from https://github.com/jaywilliams/SlickGrid/commit/6b8de2183491408e1d89ed7c7981c24d9f276dc2.
Applied fix to destroy error with JQuery 1.9.
Merge pull request #597 from beckstea/JQuery-1.9-Fix

Applied fix to destroy error with JQuery 1.9.
Merge remote-tracking branch 'remotes/mleibman/master'