removed s3 comment since it is no longer supported
Updated readme to provide information on validation
Missed a symbol in the readme
Upgrade sequel, mongoid, bson_ext and requires for sqlite3 to get tests running better
Relax development gem dependency versions where possible
Get all tests passing again
upgrade to RSpec 2
Update history
Version 0.5.4
Merge commit 'a0f8810996d43e005972a70b5715f0f7b2f4f132' into 0.5-stable
Merge branch 'master' into 0.5-stable
Oops
Merge branch 'master' into 0.5-stable
Merge branch 'master' into 0.5-stable
Depend on mysql2 gem for database testing operations instead of sqlite

SQLite was having incompatibility issues with Ruby 1.9.3.  This makes
for a higher barrier to entry when testing carrier wave locally but
ensure that tests can pass on TravisCI.
Rails 3.0.x needs to use mysql2 0.2.x
0.5-stable will support Rails 3.0.x and 3.1.x only
Close orphan file descriptor in Fog storage
Merge branch 'master' into 0.5-stable