Changes private functions to protected for improved extendability.
Adds ability to set global options for the AwsS3 adapter.
Add SSL/TSL option to FTP Adapter
FTP SSL activated and check if host is capable to use it
Update Ftp.php
Update README.markdown
Merge pull request #228 from MaciejCzyzewski/patch-1

Update README.markdown
Merge pull request #225 from teohhanhui/master

AwsS3 adapter: Added ACL option and BC for "ContentType" metadata
Merge pull request #221 from Gesthispania/master

Add FTP SSL/TSL Option
Merge pull request #219 from woodsae/global-options-for-aws-s3-adapter

Adds ability to set global options for the AwsS3 adapter.
Merge pull request #216 from woodsae/s3-private-to-protected

Changes private functions in AwsS3 adapter to protected for improved extendability.