Moves the existing mock objects into fixtures.

There's a couple implementation details with this. I believe due to merging
hardware and bmc categories, something has changed with one of the hardware tests.
Literally one line isn't being covered, which probably means there's other things that
are incorrect as well.
Fixes issues brought up by landscape.io
Adds pylint exception for json decoder error
Moves the existing mock objects into fixtures.

There's a couple implementation details with this. I believe due to merging
hardware and bmc categories, something has changed with one of the hardware tests.
Literally one line isn't being covered, which probably means there's other things that
are incorrect as well.
Fixes issues brought up by landscape.io
Adds pylint exception for json decoder error
Makes FixtureClient fail when a Service fixture or a method does not exist. Adds missing fixtures.
Merge branch 'fixtures_for_all' of github.com:sudorandom/softlayer-api-python-client into fixtures_for_all

Conflicts:
	SoftLayer/tests/fixture_client.py
	SoftLayer/tests/fixtures/Hardware_Server.py
	SoftLayer/tests/fixtures/Product_Package.py
	SoftLayer/tests/fixtures/Virtual_Guest.py
Fixes faulty merge
Adds coverage to test dependencies
Small testing changes

requirements.txt is now broken up into two files:
 - tools/requirements.txt
 - tools/test-requirements.txt

Tox now installs test dependencies using tools/test-requirements.txt
Changes item id for disk2 so tests would cover it
Adds fixtures for all manager tests
Change the hourly billing argument when ordering BMC. Closes #256
Merge pull request #257 from beittenc/fix_hourly_bmc_flag

Change the hourly billing argument when ordering BMC.
Merge pull request #254 from sudorandom/fixtures_for_all

Fixtures for all
Adds ability to list VLANs by name. Some refactoring of network manager.
Cleans up NetworkManager.add_subnet slightly
Removes string conversion from loop
Subnet and Global IP commands now use resolve_id in order to ensure there's exactly one matching id