v1.7.0

Merge pull request apache#1147 from r39132/master

Enhance CLI Test command to accept a JSON-formatted dictionary of par…

Merge pull request apache#1147 from r39132/master

Enhance CLI Test command to accept a JSON-formatted dictionary of par…

Hotfix configurable DAGBag Import timeout

Merge pull request apache#853 from airbnb/hotfix_getdag

Fixing a bug where some dags can't be retrived from DagBag.get_dag

Merge pull request apache#848 from airbnb/del_dags

Delete dags from dagbag

Only pickle_info for non subdags

Merge pull request apache#839 from airbnb/is_picklable

Adding visibility as to which dag is pickleable

Merge pull request apache#826 from abridgett/feature/cli_fixes

Feature/cli fixes

[hotfix] More js flask-admin related fixes