#10 Support for keypaths outside ~/.ssh

[Anonymous]

This patch is dirty approach to support keyfiles residing outside ~/.ssh tree. It parses the path in such way:
* if it starts with '/', it's absolute path,
* if it starts with '~/', then it's relative to homedir,
* else (to stay compatible with old behavior) it's relative to ~/.ssh.

[Nobody/Anonymous]

Patch for pam_ssh-1.97