includes a unit test suite

-- code for show_xx calls.
-- Some code refinement

Conflicts:
	haas/cli.py

	1. Configure haas.cfg
	2. Instantiate the database
	3. Populate the database using dummy objects via restful requests
	4. Tear down the setup in a clean fashion.

…alls

Conflicts:
	haas/cli.py

…alls

Conflicts:
	haas/cli.py

…xed in CCI-MOC#635

-- project_connect_node
-- project_detach_node

Unit test_project_disconnect_node is taking almost 30s, just fyi.

-- Unit tests for testing node related client library calls
-- Fixes a test that took unresonably long time to finish.

for authentication.
Classes in base.py, auth.py and client.py incorporate those changes.
Initialization of client library is modified in cli.py
Also, all the files are made complaint with pep8

Now client library uses sessions to make http requests.

	Also includes moving the authentication logic required
	for keystone backend into appropriate (auth.py) file
		under client library.

Fixes unit tests, to run fast and to accomodate new tests.

except node_register, switch_register and list_network_attachments
Also excludes all head_node calls.

…HILclientlib-querycalls

merged fixes for pep8 issues

fixed failing test

('str','str') which had been used as a pep8 fix was throwing a type error. 'str' 'str' allows the pep8 test to go through without throwing a type error.

AssertionError Fix

Client Library - fixed pep8 issues and tests

Fixes unit tests as a result of those fixes.

-- Modifications affect only project related calls in client library and cli.
-- Fixes unit tests appropriately
-- Reverts back to the `haas/errors.py` as in master as the unique status_codes
are no longer relevant

…alls

Adds tests for network and user calls
Changes the testing setup to allow user authentication. Was needed for user related tests

Minor fixes to cli.

Conflicts:
	haas/cli.py

for an HTTP client unlike only session object as was previously the case.
	Changes to all client calls to make it more general than before.
	Raises error for calls not implemented yet.
	Removes the auth.py and errors.py readujsted under base.py
	Removes keystone dependency from setup.py
	Makes changes to cli.py and unit tests to maintain integrity.

removes extraneous import statements.
Updates doc-string to reflect current state of function in cli.py

…dition.

… tests

… to the top of test file. corrects a typo in comment.