Add USER_ID param to base types Params. Enables use of cross device tracking.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70754406
Bump the version of the library, and in a possibly confusing bid
to align versions, roll the bower version into our library version.

So ca3 > ca1.4.0.

This will allow better expression of scale in future releases.
In fact, we should consider bumping at minimum the tertiary number with
every future moe push.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70824551