sort some imports
Merge branch 'master' of https://github.com/blampe/Testify

Conflicts:
	test/test_discovery_test.py
pull fixture context management out of the test case. 19 failures.
call instance fixtures in the correct/expected order. 19 test failures.
attach dynamic fixtures to the correct instance/class
fix traceback formatting in the multi-failure case
consolidate end_in_error/end_in_failure and report instance failures when class fixtures die
make class fixture failures count towards total failures
make the magic 'run' result always report success

womp, there it is :/
split test fixtures into their own file
buff the readme a bit
fix spaces/tabs
Merge branch 'master' of https://github.com/Yelp/Testify into bryce_182
Merge branch 'master' of https://github.com/Yelp/Testify into bryce_182

Conflicts:
	testify/test_case.py
add a comment for troscoe
Merge pull request #199 from blampe/bryce_182

run all parent-class fixtures before any subclass fixtures