#40 Fix include path determination for phpseclib
Merge pull request #75 from AlexStansfield/master

Catch failed logins and throw an exception so we don't continue.
Make use of stage specific branch option
Added two composer options, composer_copy_vendors and composer_update.
Merge pull request #78 from AlexStansfield/BranchOption

Make use of stage specific branch option
Merge pull request #41 from Mihailoff/issue-40

Fix include path determination for phpseclib
Removed update option
Merge pull request #79 from AlexStansfield/CopyVendors

Added two composer options, composer_copy_vendors and composer_update.
Removed redundant code and code that could overwrite a user's configuration
Merge branch 'master' of https://github.com/AlexStansfield/deployer