Change User.make_key() to a static method
Implement AppTester.setup.user() task method
Add user fixture for AppTester
Implement AppTester.setup.user.lang()
Implement AppTester.setup.user.addr()
Implement AppTester.setup.user.answer() and AppTester.setup.user.answers()
Fix test description for AppTester.setup.user.addr()
Merge branch 'feature/issue-53-base-infrastructure-for-imtester-v02' into feature/issue-54-basic-apptester-setup-task-methods

Conflicts:
	lib/user.js
Implement AppTester.setup.user.state and AppTester.setup.user.state.metadata
AppTester setup tasks docstring fixes
Improve tests for AppTester.setup.user()
Implement AppTester.setup.config()
AppTester.setup.config() test description fixes
Implement AppTester.setup.kv()
Remove unused Extendable reference in lib/tester/setups module
Clean up AppTester setup task method tests a bit
Remove dangling quote from test description.
Merge pull request #36 from praekelt/feature/issue-36-initial-changes-for-v02

Initial version 0.2.x implementation.
Merge branch 'feature/issue-53-base-infrastructure-for-imtester-v02' into feature/issue-54-basic-apptester-setup-task-methods
Fix spelling in TaskError docstring.