Strips multiple slashes in normalizePath
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
Merge pull request #230 from zanui/normalize-multiple-slashes

Normalizes multiple directory separators in normalizePath
Cleaned up the Util path normalization.
Cleaned up the FilesystemInterface
Add Copy Adapter
Updated the branch alias
Merge pull request #243 from GrahamCampbell/patch-2

Updated the branch alias
Merge pull request #236 from copy-app/feature/copy

Add Copy Adapter
Updated the badges
Implemented HttpAdapter with guzzle

Signed-off-by: Graham Campbell <graham@mineuk.com>
Added http adapter docs to the readme
Fixed some coding style, docblocks and prefix handling in Copy.
Added changelog, way past due.
Ensure the cached stream is still a resource