Strips multiple slashes in normalizePath
Fix abstract adapter copy method.
Merge pull request #231 from taylorotwell/master

Fix abstract adapter copy method.
Corrected last PR
Actually pass the stream
Fixed the tearDown of FileTests
Check if the stream is not already closed in AbstractAdapter::copy
Updated league/event dependency
Creates ReplicateAdapter
Merge pull request #228 from zanui/backup-adapter

BackupAdapter
Added missing methods for the ReplicateAdapter and simplified its tests.
Added last method (copy) to the replicate adapter, also lost its AbstractAdapter dependency
Added replicate adapter notes in the readme
Fixed AwsS3::readStream, it closed the handle before returning by unsetting it's parent class.
Updates normalizePaths to account for *nix and Windows style directory separators
Update .travis.yml
Merge pull request #238 from GrahamCampbell/patch-1

Update .travis.yml
Test fixes
Removed an unneeded check
Merge pull request #239 from GrahamCampbell/hhvm

Test Fixes