bump guava to v15
Remove any classes that implement InternalAPI or Account.

Conflicts:

	blueflood-core/src/integration-test/java/com/rackspacecloud/blueflood/internal/InternalApiIntegrationTest.java
So that we can rely on it when Things Get Tough.  We're gonna need this in a bit.
RollupType fixes

1. create a non-type for non-rollups that implement Rollup. (Go figure!)
2. Make sure that histograms are included in classOf implementation (makes it hard for SafetyTTLProvider to be safe!)
augment Rollup to supply RollupType
use ttl providers everwhere.

We currently use SafetyTTLProvider, but should switch to something supplied at runtime.
get rid of TtlCache and its ilk.
add blueflood-cloudfiles module
cleanup
cleanup newlines
add gzip support to cloudfiles publishing
use nanotime instead of milliseconds
Add getType method to retrieve type info for locator in Reader
Use a FileFilter
more specific error handling for file deletion failures
fix issue around double-calling start
container per month
Merge pull request #239 from fourk/bf_cloudfiles

Add blueflood-cloudfiles module
Merge pull request #238 from gdusbabek/remove_internal_api_v2

WIP:Remove internal api (same as PR 237)
Merge pull request #240 from lakshmi-kannan/bf_add_getType_to_reader

Add getType method to retrieve type info for locator in Reader