Adding initial version of code samples for networking.
Merge pull request #447 from ycombinator/working

Trivial whitespace lint fixes.
Create ports and subnets from service object.
First cut at unit tests and implementation.
Merge branch 'working' into networking
Trivial whitespace lint fixes.
Adding unit tests and implementation for bulk creation operations.
Adding smoke tests.
Fixing update-able attributes based on empirical evidence.
Recursively alias properties.
Adding aliases for sub-properties.
Using camelCase sub-properties.
Fleshing out update examples.
Adding more nuanced create subnet samples.
Make the PSR-2 checker happy.
Adding previously-MIA header comment.
Referencing class using @see annotation.
Removing unnecessary annotation.
Using FQCNs in method docblocks.
Type hinting array method parameters.