redocumenting ingestion
fix links and some errors
address cr
fix bad example
more fixes to docs
remove excess tutorials
fix properties of examples
Merge pull request #948 from metamx/ingestion-docs

Redocumenting ingestion
fix broken ut
fix another broken ut
fix metrics de-serialization for bySegment results
add comment about de-serialing bySegment
small fixes to examples
fixes for bySegment queries and caching

- prevent bySegment queries from getting cached
- avoid computing cache keys if not populating or using cache
- avoid computing cache data when not populating cache
prevent /status from redirect, fixes #953
Merge pull request #954 from metamx/fix-status-redirect

prevent /status from redirecting, fixes #953
Merge pull request #950 from metamx/fix-bysegment-serde

Fix bySegment metrics de-serialization
use first available port for JettyTest
Merge pull request #956 from metamx/fix-test-port-collision

use first available port for JettyTest
Merge branch 'master' into ingestmetadata-query