Add v2 unit tests.
Merge branch '0.2' of https://github.com/coreos/etcd into v2-handler-tests

Conflicts:
	test.sh
fix update also return newValue
Merge branch '0.2' of https://github.com/coreos/etcd into 0.2-fix-devlist-issue
fix append rawqurey to the redirect location.
refactor return http status 201 Created when creating a new node
Merge pull request #251 from benbjohnson/v2-handler-tests

v2 Handler Unit Tests
refactor move http status logic to server.go
Merge pull request #256 from xiangli-cmu/0.2-refactor-status-code

refactor return http status 201 Created when creating a new node
Merge pull request #255 from xiangli-cmu/0.2-fix-devlist-issue

0.2 fix devlist issue
use net/url pacakge