Made it possible to add Expires and Cache-Control meta data to AWS S3 calls
Fixes #138
Merge pull request #148 from GrahamCampbell/cache

Fixes #138
Fixed indentation
Merge pull request #149 from GrahamCampbell/fixes

Fixed Indentation
Added configurable array to AbstractFtpAdapter
Merge branch 'master' of github.com:thephpleague/flysystem
Added correct type hints in dropbox adapter
Added missing  property
Added default result value for Ftp createDir
Fixed typo
Merge pull request #151 from GrahamCampbell/cache

Fixed Typo
Minor cs fix
Derp
Merge pull request #154 from GrahamCampbell/cache

Minor CS Fix
Added integrations
Merge pull request #158 from GrahamCampbell/integrations

Added Integrations
Allow StorageClass option for AwsS3 adapter

- allow setting of 'StorageClass' option in AwsS3 adapter, developer can set this to store asset as 'REDUCED_REDUNDANCY'.
- check out : http://docs.aws.amazon.com/aws-sdk-php/latest/class-Aws.S3.S3Client.html#_putObject
Allow ServerSideEncryption option for AwsS3 adapter

- allow setting of 'ServerSideEncryption' option in AwsS3 adapter, developer can set this to store asset as 'AES256' (S3 only support AES256 as of May 2014).
- check out : http://docs.aws.amazon.com/aws-sdk-php/latest/class-Aws.S3.S3Client.html#_putObject
Merge pull request #163 from leongkui/master

Allow setting 'StorageClass' and 'ServerSideEncryption' during S3 upload