explicitly require only required files
[Client] - no need for require statements here
[Node] - freezing constants
[ALL] - use do..end for multiline blocks
fixed typo in client unit test
added some unit tests for job class
minor tweak to job spec in stop_build
Updated readme
Merge pull request #7 from arangamani/more_functions_to_node

More functions to node
added some more unit tests for job spec
added some more job unit tests
added some more job unit tests
added fixtures
some more tests to Job
added remaining spec tests for client class and new spec tests for node class
added get_config and post_config to node unit test spec
added view unit tests
minor line characters change
minor coding style change
added system unit tests