Add explicit procfile and .env sample

This use useful for local dev with foreman.
Merge branch 'lstoll-herokufy' of https://github.com/lstoll/s3itch into pull-request-2
fix clone url
Merge pull request #3 from invalidusrname/master

Update clone url
Installation: mattmatt/s3itch => roidrage/s3itch 

Updated quickstart instructions in readme file to reflect new GitHub username.
Merge pull request #5 from simonw/patch-1

Installation: mattmatt/s3itch => roidrage/s3itch
Add note about Skitch 2.0 and download link.
Sets the Cache-Control header for uploaded images.
Fixes the question mark bug
Make sure that the query string isn't empty.
Merge pull request #9 from k33l0r/question_mark_fix

Fixes the question mark bug
Merge branch 'master' of https://github.com/k33l0r/s3itch into k33l0r-master

Conflicts:
	app.rb
Default to application/octet-stream if no MIME type is found
Use the "recombined" name everywhere, escape the return URL if necessary
adding support for tweetbot custom posting
updating README
Merge pull request #11 from lusis/master

tweetbot custom endpoint support
Merge branch 'master' into more_fixes

Conflicts:
	app.rb
making CNAMES optional
Merge pull request #13 from lusis/master

Fix broken tweetbot with CNAMEs and provide non-CNAME option