Install aws-sdk
Add AWS initializer and configuration
Generating URLs from saved s3_paths + mime/types
Use uuidv4 for subject filenames

Don't override locations=
Fix failing spec

due to rails silently converting all params to strings in
controller specs. Thanks Rails!
add default aws values for travis test env
Merge pull request #249 from edpaget/s3-subject-uploads

S3 subject uploads
Add metadata field to Classification table

Seperate out metadata from annotations, expect annotations in a key => value
format. Closes #252
Update to jruby-1.7.16.1
Update Apiary host
Fix Typo
Add Project Content Api docs
Merge pull request #258 from edpaget/update-ruby

Update to jruby-1.7.16.1
Merge pull request #260 from edpaget/apiary-update

Add Project Content to Apiary
Merge pull request #255 from edpaget/update-classification-schema

Add metadata field to Classification table