2.4.0 Beta

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Require Avocado 2.4 branch

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Use standardized key for page-based resources

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Include labels in field distribution resource data

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Change dist resource to use DataField.dist method

The previous dist resource has been moved to ./dims/ for "dimensions"
since it supports arbitrary number of fields (dimensions) to
aggregate on.

Fix #203

Signed-off-by: Byron Ruth <b@devel.io>
Update test to check new items key rather than old values key

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Fix URL for avocado 2.4 branch in requirements.txt

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Update field stats resource to use bare aggregation calls

Signed-off-by: Don Naegely <naegelyd@gmail.com>