* Improves stability and fixes various bugs
* Adds unit tests covering changes
* Adds COVID-19 crisis plots
* Adjusts styling of crisis plots for more pleasant viewing
* Fixes bug where null BacktestResult caused application to crash
* Order JSON bug fixes and stability improvements
* MaxDrawdownReportElement now produces results for Live
* Replaced Estimated Capacity w/ Days Live
* Added Live marker to sharpe ratio
* Added support for MOO and MOC orders in PortfolioLooper
* Address review: adds new unit tests and cleans up code
* Bug fix: use LastFillTime instead of Order.Time for MOO and MOC
* Address review: Fixes tests and cleans up code
* Deletes NullAlphaHandler, NullLeanManager, NullSynchronizer
* Calculate the backtest and live PointInTimePortfolios only once now
* Refactor Metrics calculations
* Add missing license headers to some files
* Reverts accessibility of AddToUserDefinedAlgorithm to private
* Other misc. fixes and cleanup
* Can handle null Result packets
* Created utility files
* Added various helper methods to PortfolioLooper
* Fixes build issue by removing System.Collections.Immutable
* Updates plots to show "Insufficient data" when it can't be created
* Hides empty crisis page
* Fixes wkhtmltopdf display bug
* Removes Calculations.cs
* Modifies accessibility of AddToUserDefinedUniverse in QCAlgorithm
* Add null value handling in OrderJsonConverter
* Various bug fixes
* Fixes broken ReportChartTests.py
* Adds leverage to PointInTimePortfolio
Gerardo Salazar