New service tests
New tested services, updated config file
Adding Content-Type to services
Adding fixtures submodule
Merge remote-tracking branch 'burst/assembla_v1_api' into assembla_v1_api

Conflicts:
	Assembla/etc/config.json
	tests/fixtures
	tests/fixtures/dummy_service.json
refactoring tests and setting up mock stuff
re adding fixtures submodule,  wtf?
adding final fixes to come into line with tests,  updating a few tests to reflect return values of Zend\Config\Config