Move collector model into different package
Migrate SG collector to AWs library
Add reference blocks
Add RequestWrites trait that gives access to the request object
Restructure Writes implementation for Reference[T]
Clean up behaviour of meta parameter
Documentation and meta param rename
Add new field to test docs
Add more info to source error states
Make port numbers optional
Limit stacktrace size, deal with null ports, add vpcId, rewrite protocol -1 to all
Remove excess logging
Merge pull request #17 from guardian/sh-references

Add 'references' support between object types