typo in Exception messages
duplicate spot format fix
declare "ua", "language" and derived fields as utf8String
fixed building errors caused by the utf8 changes to the BidRequest objects
Modified BidRequest classes to handle "ua" and "location" as Utf8String instances, since those could actually contain non-ascii characters
Merge branch 'non-ascii-bid-requests'
fixed mock ad server after refactoring
SegmentsBySourceJS: fixed handling of numerical indexes passed as string
added "app", "device", "user", "imp" to the list of exported/wrapped fields
Added winSurchageMicros to known fields in DefaultDescription
Spot index will now be available in the WIN response.

This fix will allow the agents to find the bid in the bid response
object that won the auction by using the bidForSpot utility function.
updated submodules
fixed unique name generation for redis temporary server
fixed memory leak
fix for mock_exchange winprice amount
Merge pull request #32 from sharpyfox/mock_exchange_winprice_fix

fix for mock_exchange winprice amount
Merge pull request #25 from sharpyfox/mock_exchange_fix

duplicate spot format fix
Merge pull request #24 from sharpyfox/typo_fix

typo in Exception messages
enable "wildcard" creative formats, using 0 as width and height
Post auction event listener is now properly initialized for the augmentor example.

Note that there's a bug in ZmqMultipleNamedSubscriber where it can't
be added as a source for another message thread. For the moment the
augmentor will run on two threads (which is a good idea anyhow).