Replace exporter registry keys with short_name derivative

Fix #203

Signed-off-by: Byron Ruth <b@devel.io>
Implement DataField.sparsity method

This currently only supports computing the sparsity relative to itself,
and does not aggregate based on a modeltree.

Fix #205

Signed-off-by: Byron Ruth <b@devel.io>
Merge pull request #206 from cbmi/issue-205

Implement DataField.sparsity method
Remove hardcoded namespace in admin URLs

This change allows for subclassing the Data* admin classes to be used
with custom admin sites.

Signed-off-by: Byron Ruth <b@devel.io>
Change concept and category ordering in admin

This orders the rows relative to their respective category or parent.

Signed-off-by: Byron Ruth <b@devel.io>
Add error message for unknown context types

Signed-off-by: Byron Ruth <b@devel.io>
Allow user to share by username

Signed-off-by: Sheik Hassan <solergiga@yahoo.com>
Merge pull request #207 from muslimgiga/issue-192

Allow queries to be shared by email and/or username(case optional)
Remove system_site_packages flag in travis config

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Merge pull request #208 from cbmi/travis-fix

Remove system_site_packages flag in travis config
Add regex-based operators

Fix #209

Signed-off-by: Byron Ruth <b@devel.io>
Merge pull request #210 from cbmi/issue-209

Add regex-based operators
Add support proxy models via ModelTree

Requires modeltree 1.1.8+

Signed-off-by: Byron Ruth <b@devel.io>
Merge pull request #211 from cbmi/proxy-models

Add support proxy models via ModelTree
Pass field model to ModelTree.query_condition

This was missed in PR #211

Signed-off-by: Byron Ruth <b@devel.io>
2.3.4 Release

Signed-off-by: Byron Ruth <b@devel.io>
2.3.5 Beta

Signed-off-by: Byron Ruth <b@devel.io>
Add method to DataField for retrieving k random values

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Support Unicode input in the CSV exporter

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Merge pull request #218 from cbmi/issue-217

Support Unicode input in the CSV exporter