tiny optimization to test running.  don't have the script that checks for db connectivity create any tables

remove the deep __heartbeat__ checks performed from browserid (the webhead), while dbwriter should ping the database to ensure health - closes #566

improve node.js version checking.  eliminate DRY violation, and use semver for robust version specification and matching.  nice yak, eh?

express our dependency on nodejs >= 0.6.3 in package.json and in code.  (note: I'm not sure package.json actually does anything useful, but it's a good place to document it)c

(loadgen) fix console output at startup - properly message # of pre-created users or users to be created via API

plumb in middleware to send request logs to statsd

wait for onload to fix FF home issue - and maybe even the android with no default browser setup issue - #595

read NODE_EXTRA_CONFIG after we setup g_configs.test_*

(loadgen) add '-l' option to list activites, and '-a' option to specify a list of activites to run (ignoring others).  simplify '-o' so all this stuff uses the same mechanism

* Change the text from "use another" to "use another email address"
* Make the link bold so that it stands out.

issue #623

* Stop propagation of the event so that the event is not captured higher up.
* If logout fails, print an error message

close #666.
issue #630.

(loadgen) include-only activity properly returns errors accoring to new error conventions (undefined means success)

* Replace all the input[type=submit] with buttons so that we can set the line-height.
* Use common CSS between all buttons.

close #658

* When setting the text of the email address, use dom.setInner.
* Update the test to use .val() for the check.

close #657

* Remove the common css from style.css and popup.css, place here.
* Update includes list, build script.
* Fixes inconsistency in button capitalization text between dialog and main site.

close #655
close #578

close #654