Update interchange docs.
fix issue with rails install generator attempting to create slim/haml templates when erb is needed instead
Updated interchange doc copy.
updated variables across pages
updated global variables on docs
Merge branch 'master' of github.com:zurb/foundation
update interchange docs.
Merge branch 'master' of github.com:zurb/foundation
Update initialization instructions
update sidebar.
updated Changelog
Merge branch 'master' of github.com:zurb/foundation
bumped version
bumped version
Merge branch 'master' of github.com:zurb/foundation
bundled after version bumb
Merge branch 'master' of github.com:zurb/foundation
updated interchange images for example
fixed interchange demo image
updated experimental