Added reboot at functionality in sw.py
Added reboot at functionality in sw.py
Simplified parm checks and added parm comment
fixed typo
Cleaned comment in sw.py
Fixed ssh-key auth

Added the ability to use IdentityFile from .ssh/config file
Also re-enabled default of underlying ncclient allow_agent and look_for_keys
By default ncclient will:
	1. Try passed in keyfile
	2. Look for keys loaded in agent
	3. Look for default keys in user home
	4. Try passed in user/pass combo
Re-added proper logic for allow_agent
Functional test for SSH keys (non-agent)
Merge pull request #281 from shermdog/sshident

Fixed ssh-key auth
Merge pull request #276 from bzsparks/master

Added "reboot at" functionality in sw.py
Set 1.0.1.dev version
Cleanup + unit test for SW.reboot(at)
Merge pull request #282 from shermdog/housekeeping

Cleanup + unit test for SW.reboot(at)
Typo in pdiff docstring
Config.load accepts XML as string with format='xml'
Better unit test for load xml as string
Merge pull request #284 from vnitinv/master

changes done for xml configuration with multiple hierarchy
Merge pull request #286 from shermdog/load-xml-string

config.load() XML as String
Update README.md
Set version to 1.0.1