Updating Guava to 17.0. Fixes some issues with Bloomfilters. Bloomfilters created with Guava 17 are not readable by pre Guava 17.
Merge branch 'dep_guava_17' of github.com:reines/dropwizard into reines-dep_guava_17
Merge pull request #619 from reines/dep_guava_17

Updating Guava to 17.0