Version 1.5.3.

Version 1.5.2.

Version bump.

1.5.0: woot!

Version bump to 1.5.0.

Added contributors to credit page.
Added contributing section to README.

Beta becomes official 1.4.

Remote metrics: use Web API to push/retrieve metrics on remote host.

Initial support for multi-value metrics.

* Added: Vanity.playground.collecting. You want this to be true only in
production environment. When false, disables collecting of metric and
experiment data.
* Added: Metric.last_update_at.
* Removed: Metric.created_at, derived from experiment and never used.

Fixed MongoDB flushdb to drop collections.

.rvmrc no longer setups Ruby/creates gemset.

Apparently on Linux, Passenger uses UNIX sockets, where on OS X it
uses TCP.

Added ToC on various pages

Refined metrics documentation.

1.1.1 release brings True 1.8 Compatibility(tm)