feat(S3 demo): Fine Uploader S3 demo for fineuploader.com

TODO:
    - Fix all other fineuploader.com pages
    - Change jQuery badge to reference upload-to-s3
    - update version #
    - add upload-to-s3 to feature list
docs(index.html): less eager anchor
docs(index.html): no scrolling required to read comments in S3 demo code
feat(S3 upload demo): XDR is now allowed by default
chore(js/demo/s3-demo.js): Non-functional notice for IE7 users attempting to load the S3 demo
chore(demos): Update to 3.8 pre-release js and css for all demo pages
chore(fineuploader.com): 3.7.x -> 3.8.0
chore(download pages): Download buttons for Fine Uploader S3
chore(index.html): home page ribbon -> Upload to S3
chore(index.html): Add upload to S3 to feature list
chore(index.html): short page names
docs(js/demo/display/s3-demo.partial): clarify bucket endpoint comment
fix(S3 demo): Update js after bug fix
refactor(*): Update after re-locating S3 options in 0704bbfeb53bd35df1a4adbccd9a6ce6452e5ecd
chore(*): prepare for 3.8 release
chore(*): prepare for 3.8 release
chore(*): prepare for 3.8 release
chore(*): prepare for 3.8 release
feat(js/demo/s3-demo.js): use time-bombed view url
Merge branch 'gh-pages-3.8' into gh-pages