add logging feature
Merge pull request #97 from yunli2004/devR2.0

add logging feature
Merge pull request #98 from moloyc/devR2.0

Added ex4300-24p, 24t, 48t. Fixed IP allocation logic for IRB, if number...
Modified ND Configuration script to:
1. add quotes surrounding dbUser and dbPassword.
2. Node IP will be singular and not a list, as configuration script is invoked for each ND node in a cluster.

Modified Util class to accept dbPassword in encrypted format.
Merge branch 'devR2.0' of https://github.com/Juniper/OpenClos into devR2.0

Conflicts:
	jnpr/openclos/util.py
Merge pull request #100 from rgiyer/devR2.0

Modified ND Configuration script and Util
Merge pull request #101 from moloyc/devR2.0

fix interface range, added other device types, expansion modules
Merge pull request #102 from moloyc/devR2.0

fixing junos model
changes to generate leaf generic config for all supported device family