support cass 1.1 and 1.2
* create a separate configuration directory for each version
* default (used by Travis-CI) is 1.1.
* update README to explain how to run with alternate configurations.
Merge pull request #2 from racker/support_cass_1.2

support cass 1.1 and 1.2
remove sliced_buffer_size_in_kb. It's invalid in 1.1.
Merge pull request #3 from racker/remove_sliced_buffer_size_in_kb_1.1

remove sliced_buffer_size_in_kb.
skip tracing test until I can figure out what the original aim was
allow any FAKEXXXX tenantIds through.  This allows you to create unspecified accounts.
no asserts in http methods.
fix indentation.
include tracing in list of request middleware.

todo: it would be nice to specify request AND/OR response in the block where the middlewares are declared.  That way we won't run into this kind of problem (TIMTOWTDI).
* Fix a bug in the way headers are checked for.
* Make sure to authenticate.
remove comment.
joe/dev was getting used in other tests, short-circuiting full auth path when test-tracing-middleware was tested causing full traces not to happen.  The solution is to use an auth user that is used nowhere else.
yes, skip the tracing test. really, this time I mean it.
Merge pull request #4 from racker/skip_tracing_test

Fix up the tracing test
Merge branch 'master' into account_regex
document how to use fake accounts.
lint
Merge pull request #5 from racker/account_regex

modify mock auth server to allow unspecified logins
Bump version.
Update cassandra-client dependency version.