Summary reports data layer.
Merge branch 'taavirehemagi-android-raptors' into reports
fix Build.cs #region
Rename SummaryReportView namespace to Toggl.Phoebe.Data.Reports.
Separate reports API from normal API.
Create reports fragment.
fixed date format bug. Added simple utility methods
Make FormatMilliseconds a public function.
working on donut chart
sync with reports branch code
Make start and end time functions public. Fix start of week bug.
getting tags string bounds using newer API
Test PropertyChangeTracker
fixed using statements order, Test()->TestNotify()
reformatting code
donut data ready. working on stability
interaction with users and drag&drop
working on user interaction.testflight release
working on barchart, ready to show real data
fixing color-spaces-fonts details