undefined var fix on stacks
Making entire customize area clickable in customize theme
pulling help message
Merge pull request #1024 from ExchangeCore/undefined-var

undefined var fix on stacks
Fix multiple ratings
Merge branch 'master' of github.com:concrete5/concrete5-5.7.0
fixing attachments
Fixed html block
fixing design and layouts
Fix block ading on stack page
removing errant file
content tweaks
fixing sitemap issue; newsflow new sample content'
Forgot a file
Make the error handler handle debug off better
Fix config renderer, use `json_encode` instead of `add_slashes`.

fixes #1038
Fix 5.3 incompatibility
Fix #1036
Merge branch 'master' of github.com:concrete5/concrete5-5.7.0
Fix #1039