Added changes to catch/handle fog errors in knife-ec2
Added rspec tests for fog error handling
Incorporated review comments to display fog error message
Handled review comments to parse fog error messages
Added changes to catch/handle fog errors in knife-ec2
Added rspec tests for fog error handling
Incorporated review comments to display fog error message
Handled review comments to parse fog error messages
Merge branch 'sid-oc-11112-fog-errors' of https://github.com/ClogenyTechnologies/knife-ec2 into sid-oc-11112-fog-errors

Conflicts:
	lib/chef/knife/ec2_server_create.rb
Added changes for code cleanup
Fixed spec for Excon error handled in knife-cloud
Refactored spec
Rephrased test
Synch knife-cloud with the changes done in master
fixing rspec errors
Add provisioned IOPS to knife-ec2
Fixed rspec test
Merge branch 'sid-oc-11112-fog-errors' into sid-ec2-sync-master-fog-excon-errors

Conflicts:
	spec/unit/ec2_server_create_spec.rb
Merge branch 'pd-remove-excon-exception-spec-fix' into sid-ec2-sync-master-fog-excon-errors

Conflicts:
	spec/functional/server_list_func_spec.rb
Fixed rspec tests deprecation warnings