Remove the phpseclib/System/SSH_Agent.php BC file.
Merge pull request #305 from bantu/remove-ssh-agent-bc-file

[php5] Remove the phpseclib/System/SSH_Agent.php BC file.

* bantu/remove-ssh-agent-bc-file:
  Remove the phpseclib/System/SSH_Agent.php BC file.
Setup Travis CI phpseclib user home directory accordingly.
Use pwd instead of ls. If the directory is empty callback will not be called.
Merge pull request #307 from bantu/travis-home-directory

Setup Travis CI phpseclib user home directory accordingly.

* bantu/travis-home-directory:
  Use pwd instead of ls. If the directory is empty callback will not be called.
  Setup Travis CI phpseclib user home directory accordingly.
Merge branch 'master' into php5

* master:
  Use pwd instead of ls. If the directory is empty callback will not be called.
  Setup Travis CI phpseclib user home directory accordingly.