Added missing code to take the zone value from knife config file along with test-cases.
Taking the google compute zone value from knife config file.
Added SSL error handling code and updated installation section in README file to include how to configure SSL certificate validation
Updated README to include why SSL certificate validation configuration required on Windows
Updated server create and delete similar to list, refactored list to be little more informative.
Adding test-case for server create taking values from knife.rb
Added test-case for server delete taking values from knife.rb
Incorporated review comments to handle SSL exception
Merge pull request #15 from opscode/adamed-OC-7868-google-server-list

OC-7868: Knife google plug-in does not read cli switches from knife.rb
Minor cleanups. Better formatting
Merge pull request #16 from opscode/OC-7869-chirag

Better Error handling when SSL Certificate is not available
adding travis yml all rubies
space to initialize travis..
removing space...
fixing spaces. sigh.
only 1.9.3 re: support path
Merge pull request #17 from opscode/knife-google-travis

[KNIFE-326] travis integration validation
server create requires a zone
rspec test updates
found 2 URIs pointing to v1beta13