working on the new knex integration
merge new-knex with master
Docs: See knex for full db config (closes #341)
Change double-quotes to single for consistency
Merge pull request #350 from daviskim/patch-1

change double-quotes to single for consistency
Throw an error when attempting to overwrite a registry entry
Fix setting foreign key on belongsTo

This should actually fix #353
Added test for issue #353
Improved association documentation.
Code highlighting.
Simplified migration examples.

While I prefer the former code for clearly seeing each related piece,
@bendrucker requested this to be simplified.
Improved examples.

This should make things a little more clear without complicating the
examples with extra promise details.
Merge pull request #364 from wbyoung/doc

Documentation Changes
Resolving merge conflict for #335
Merge branch 'valet-io-registry-prevent-conflict'

* valet-io-registry-prevent-conflict:
  Throw an error when attempting to overwrite a registry entry
Merge pull request #359 from johanneslumpe/master

Fix setting foreign key on belongsTo
made clear that attribute is optional
made clear that idAttribute refers to the model, not the column
Merge pull request #373 from coolaj86/clarifications

Clarifications in documentation
Multiple fetch bug fixed