Feature #632

- Added feature #632, which allows environment variables TASKRC and TASKDATA
  to override .taskrc and .task directory locations (thanks to Steve Rader).
- Added unit tests.
+

src/Context.h

@@ -75,7 +75,6 @@ public:
 
 private:
   void assumeLocations ();
-  void determineDataLocation ();
   void createDefaultConfig ();
   void loadAliases ();
   void updateXtermTitle ();