code cleanup
Better validation for strict mode address allocation
Capify collins
Merge branch 'master' of github.com:tumblr/platform
Support for server side (configurable) cred cache

 * authentication.cacheCredentials=true
 * authentication.cacheTimeout=5 minutes

This will only cache successful auths. Invalid credentials are not cached.

Also a bit of deploy cleanup.
Merge branch 'master' of github.com:tumblr/platform
INFO logging, fix address
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge pull request #19 from tumblr/dan-collins-similar

Asset Similar Searching
Merge branch 'master' into dan-async
Merge pull request #21 from tumblr/fibr-stacked-toggle

toggle stacked feature complete
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Merge branch 'master' of github.com:tumblr/platform
Updating tests