test for reproducing vnode_down errors
test Location header api verison on POST

The bug filed at basho/riak_kv#432 describes how the Location header
always uses the old API version in a response to a bucket POST.
Half finished PR/PW test
Change PR/PW test to use intercepts instead of kill -STOP

Thanks to @rzezeski for the help with intercepts
Add missing function
Actually make the intercepts work...
Add http client test and dw_val_unsatisfied tests

Add an alternate vnode intercept, one that returns failures, rather than
simply never responding.
remove unnecessary underscores
use more rt-built-in goodness

rt:build_cluster, rt:http_url, rt:stop_and_wait, and rt:start_and_wait
Fix config example in README to use full paths

A hapless user, cluelessly copy-pasting the example config in the
README will fail 'cos you must use absolute paths in the `rtdev_path`
section.
Merge pull request #205 from branch 'bwf-location-new-url'
Allow execution of individual tests that live outside the riak_test repo

Check for a path included with a test specified using the -t
option. If a path is included it is loaded on the code path;
otherwise, the test is run normally.
Merge pull request #224 from basho/rdb-readme-config

Fix config example in README to use full paths
Add bucket properties round-trip test to accompany riak_pb changes.
Merge pull request #218 from basho/adt-pr-pw-test

Test for PR/PW
Forgot rw property.
build-releases, now with 1.3 battle action
Merge pull request #227 from basho/jd-one-three-will-regulate

build-releases, now with 1.3 battle action
HTTP client should now support all bucket properties.
Modfun properties must be existing atoms and the backend can't be unset.