Update Walrus to get fix for thread-safety issue with string collator
Update Walrus to get fix for thread-safety issue with string collator

Fixes #110

tleyden/sync_gateway,couchbaselabs/sync_gateway,tleyden/sync_gateway,jamiltz/sync_gateway,couchbaselabs/sync_gateway,evankyle/sync_gateway,tophatch/sync_gateway,tophatch/sync_gateway,tleyden/sync_gateway,couchbaselabs/sync_gateway,jamiltz/sync_gateway,evankyle/sync_gateway,paulharter/sync_gateway,tophatch/sync_gateway,paulharter/sync_gateway,evankyle/sync_gateway,ceejatec/sync_gateway,paulharter/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,evankyle/sync_gateway,ceejatec/sync_gateway,tophatch/sync_gateway,ceejatec/sync_gateway,tleyden/sync_gateway,jamiltz/sync_gateway,paulharter/sync_gateway