Another method to define private key...

Added the ability to define a private key, placed in the default location (~/.ssh), just by its file name. (In case there are many keys to choose from)
Another method to define private key...

Documented the new key method...
Minor change to name of the example key property
Local key is preferred over the one in ~.

In case there is a key with the same filename both in the current
directory and in the default ~/.ssh directory, the one in the current
is used.
Windows compatibility fix
Merge pull request #46 from ProteusCortex/master

Another method to define a private key