Add default setting for AccessJSONAPI permission
Update URL schema for JSON API reference field lookups.

To set Reference fields embed the portal_catalog search as index:value pairs separated with |:

Multi-valued reference: ...& <FieldName>=index:value|index:value &...

Create group
------------

Request: http://localhost:8080/Plone/@@API/create?obj_path=/batches
  &obj_type=Batch
  &title=ATestGroup
  &WorksOrderID=ATestWOID
  &BlendNumber=ATestBlend
  &BatchDate=2013-09-30
  &LabelAlcohol=15
  &Remarks=RemarksFieldThings
  &description=descriptive_text

Response: {"success": true, "obj_id": "B13-00001"...

Create AR in group
------------------

Request: http://localhost:8080/Plone/@@API/create?obj_type=AnalysisRequest
  &Client=portal_type:Client,title:De Bortoli Wines
  &SampleType=portal_type:SampleType,title:Red wine
  &Contact=portal_type:Contact,getFullname:Gabby Spadaccini
  &CCContacts=portal_type:Contact,getFullname:Jessica Irving|portal_type:Contact,getFullname:Joel Veenhuizen
  &CCEmails=campbell@bikalabs.com
  &Services=portal_type:AnalysisService,title:Sugars|portal_type:AnalysisService,title:Suspended solids
  &ClientOrderNumber=Client AR Order Nr.
  &ClientReference=Client AR Reference Nr.
  &ClientSampleID=Client Sample ID Nr.
  &Batch=portal_type:Batch,title:ATestGroup
  &SubGroup=portal_type:SubGroup,title:Bottling
  &SamplingDate=2013-09-29

Response: {"success": true, "ar_id": "RW13-0005-R01", "sample_id": "RW13-0005"...
Update create AR: correct Analysis<->SamplePartition linkage
Merge branch '3.01a' of github.com:bikalabs/Bika-LIMS into 3.01a