testplanet executes cockroach and postgress tests parallel, therefore using http.DefaultClient is safe only as long as we don't modify it.
TestActivationRouting modifies it (client.CheckRedirect=...), therefore it should use a local version instead of the default one.
Problem reported by a jenkins build:
```
==================
WARNING: DATA RACE
Write at 0x000003486af0 by goroutine 143:
storj.io/storj/satellite/console/consoleweb_test.TestActivationRouting.func1()
/home/jenkins/workspace/storj-testing-experiments/satellite/console/consoleweb/server_test.go:66 +0x378
storj.io/storj/private/testplanet.Run.func1.1()
...
Previous read at 0x000003486af0 by goroutine 104:
net/http.(*Client).checkRedirect()
/usr/local/go/src/net/http/client.go:494 +0xd73
net/http.(*Client).do()
/usr/local/go/src/net/http/client.go:691 +0xd31
net/http.(*Client).Do()
/usr/local/go/src/net/http/client.go:593 +0x204
storj.io/storj/satellite/console/consoleweb_test.TestActivationRouting.func1.1()
/home/jenkins/workspace/storj-testing-experiments/satellite/console/consoleweb/server_test.go:48 +0x1e5
storj.io/storj/satellite/console/consoleweb_test.TestActivationRouting.func1()
/home/jenkins/workspace/storj-testing-experiments/satellite/console/consoleweb/server_test.go:74 +0x49d
storj.io/storj/private/testplanet.Run.func1.1()
...
```
Change-Id: I73319a5a593e067b906ec1fda70a44ca1e5a49a2
When an email is verified, insert an auth cookie so that when the user
is redirected after verifying their email, they are immediately taken to
the onboarding flow.
Change-Id: I557d8a2805b24dd8039ada255522bc1b56cc8b53
Rate limits application of coupon codes by user ID to prevent
brute forcing. Refactors the rate limiter to allow limiting based
on arbitrary criteria and not just by IP.
Change-Id: I99d6749bd5b5e47d7e1aeb0314e363a8e7259dba
Error message for attempting to activate an already-activated
account is removed from its own page and incorporated into the
login page in an identical manner to the message that appears
upon successful activation.
Change-Id: I29cd2685a7808fa71d34a439c86a38eb5fc3e199
