Small improvements, mostly to documentation.
Rebind: don't persist (i.e. overwrite) state until rebind() is complete
Merge pull request #1184 from aledsage/fix/rebind-dont-overwrite-state

Rebind: don't persist (i.e. overwrite) state until rebind() is complete
updated Cassandra suggest version fro 1.2.11 to 1.2.14
Merge pull request #1186 from ZaidM/master

updated Cassandra suggested version fro 1.2.11 to 1.2.14
Merge pull request #1183 from sjcorbett/misc-improvements

Small improvements, mostly to documentation.
Added support for Enrichers in YAML
Tided up tests after refactoring
Added tests for entity config
Added support for Enrichers in YAML
Refactored creation of policies and enrichers to occur after entity creation
Create policies and enrichers on correct entities
Added support for Enrichers in YAML
Refactored creation of policies and enrichers to occur after entity creation
Create policies and enrichers on correct entities
First (WIP) pass at nested children in Brooklyn YAML
Added tests for Enrichers, tidied up entity creation and fixed weird PortRange bug
Refactored YAML entity creation to use a two-phase approach (create, init)
Added additional tests for entities referencing entities via config keys
Updated following PR review