Adapter/Ftp::deleteDir now returns boolean
Merge pull request #196 from buonaparte/master

Adapter/Ftp::deleteDir now returns boolean
ensure destination directory is present when copy a file
Merge pull request #197 from alireza-m/master

ensure destination directory is present when copy a file
Removed blank line from PR
Initial EventableFilesystem
Added tests for EventableFilesystem
Added docblocks
Added some readme info about events in Flysystem
Merge branch 'feature/eventable-filesystem' of github.com:thephpleague/flysystem into feature/eventable-filesystem