LineChart

Now you can group series on charts. Select few measures, click "Group series" and all measures will be plotted on the same chart. That works also if you split with second dimension - you will get one chart for each split value. (#616) (1ed596e)

Fix: Shorten endpoint should use relative path

Thanks to @exherb for this fix! (#618) (b34dcb3)

Fix: Handle null as possible value for BooleanFilterMenu

We accept null as valid boolean value so we should handle it correctly in boolean filter menu. (#641) (01dddd7)

Fix: bunch of fixes for new line chart:

• Bugfix/overflowing tooltip (#632) (dc3d7fb)
• Handle no x-range. (#631) (3ea4dfc)
• Bugfix/empty timeseries (#626) (d1c2c50)