fix migration add_text_to_widgets
[#243] dashboards api will not return query results by default
[#241] fix textbox widget layout
Query.to_dict never with results
Merge pull request #248 from EverythingMe/243-db-requests

#243 dashboards api will not return query results by default
testing infra: updated Karma and Grunt
testing infra: basic QueryViewCtrl tests
rd_ui: fix failing unit test
update ci config
Merge pull request #251 from EverythingMe/tests

setup Karma unit tests
[#245] Add refresh button to query view page