Started writing db functions to get chart data for sprints.
Satisfy linter.
Replaced calculation server logic for remaining time.
Removed leftovers.
More cleanups.
Adjusted time spent calculation.
Rewrite for sprint calculations done.
Sprint functional tests waits for calculations.
Added remaining_time and reference chart to sprint view.
RT chart is on sprint is working, also some d3 issues fixed.
Added ST calculation method and tests.
Refactored to functional code.
Gave the chart dialog more width.
Added time spent graph, made calcs accumulated.
Fixes to tests, waited for wrong url.
Merge branch 'Sprint-Chart'