Added test for ComposerRepository::whatProvides
Added support for the alias of an aliased package
Fixed update alias packages in dry-run mode
Settings of the same repository for a package is allowed.
Set cwd instead of using cd in GitDownloader, refs #1832
Output VcsDownloader process commands in -vvv mode
Fix regex
Merge remote-tracking branch 'hason/alias'
Unfold aliased root packages, refs #1573
Update InstallerInterface.php

Fixed an incorrect documentation variable reference
Always dump packages, even if only an alias is added, fixes #1809
Add workaround for php bug 64634 in copy
Remove leftover copy
Merge pull request #1840 from Josiah/patch-1

Update InstallerInterface.php
Fix regression added in 33af9eea9550a8a65ece651e5c46e8a5104a8139, fixes #1841
Clarify exception message when an empty response is returned
Fix usage of GitDownloader with relative paths, fixes #1843