Fixing signature of callback in test to match implementation.
Mock responses properly using fixtures.
Removing unused module requires.
Adding missing test fixtures refernced in earlier commit.
Removing unused variable references.
Enabling "unused" lint check.
Printing unused variables in examples (so they are no longer unused).
Cleaning up examples to actually do something
Merge pull request #1 from kenperkins/gh-360/unused

Cleaning up examples to actually do something
Fixing a typo in the joyent example
Merge pull request #2 from kenperkins/gh-360/unused

Fixing a typo in the joyent example
Fixing typo.
Merge pull request #371 from ycombinator/gh-360/unused

Enabling unused lint check