Misc intermediate fixes, more work on these to follow.

--Bug fixes:
-Fix crash when using smooth interpolation in EmberGenome.
-Print error and exit EmberGenome when sequencing if times are not
sorted.

--Code changes:
-Another attempt at Singleton. This reverts the design to what it was
before with a fix to the code that was causing it not to behave like a
singleton should.

Source/Ember/VariationList.cpp

@@ -16,14 +16,6 @@ namespace EmberNs
 	m_Variations.push_back(new Pre##varName##Variation<T>()); \
 	m_Variations.push_back(new Post##varName##Variation<T>());
 
-/// <summary>
-/// Singleton patterns, return a reference to the only instance of this object in existence.
-/// </summary>
-template <typename T>
-SINGLETON_INSTANCE_IMPL(VarFuncs<T>)
-template <typename T>
-SINGLETON_INSTANCE_IMPL(VariationList<T>)
-
 /// <summary>
 /// Constructor which initializes all of the variation objects and stores them in the list.
 /// </summary>