Updated README
README: added table of contents
README fix
Added a link to the survey
Generating secret keys
Authorisation using secret keys works
Only checking upload params signature when an API key is used
Refactored upload code a bit
Updated uploads and authentication sections in the README
Updated README
v0.3
README fixes
Updated api-key add message
Fixed error reporting when connection to redis cannot be established
Updated README to show the default gravity
Added a config option for the max number of pixels in an uploaded image (5 megapixels by default)
Removed comment
v0.4
Changed version in the README
Ability to set CORS allowed origins