* Updates TradingEconomics algorithms to use new event definition
* Separated Calendar and Indicator definitions into partial class
* Refactors portions of TradingEconomicsCalendar
* Makes TradingEconomicsCalendar.GetSource return RemoteFile for live
* Fixes bugs in TradingEconomicsEventFilter
* Fixes bugs in StreamReaderExtensions (thanks Martin :))
* Adds new unit tests to cover changes
event names
* Adds unit test for new filter method
NOTE: This is a breaking change for Trading Economics calendar events
property. Any previous string matching might result in a mismatch if
results were not previously being normalized.