Add support for processing Link(-Template) headers

NOTE: This does not yet include support for the Link-Template header
Signed-off-by: Don Naegely <naegelyd@gmail.com>
Add support for the stats_capable field flag

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Read fields from fields data rather than concept fields endpoint

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Update inforgraph for new distribution resource response format

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Add support for dims resource

This is updated on both the field and the charts.

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Add stats models for query and context models

This commit also makes the required changes in the context panel to account for the count being on the stats now.

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