Removed bogus return types
Optimized getPrimitiveReturnValueFromInvocation function implementation
Optimized getPropertyType function implementation (step 1)
Optimized getPropertyType function implementation (step 2)
Optimized getPropertyType function implementation (step 3)
Optimized -[NSObject emk_setValueIfDifferent:forKey:] method implementation
Optimized -[NSArray ek_propertyRepresentation:] method implementation
Simplified EMKPropertyHelper
Optimized +[EMKPropertyHelper getPropertyTypeFromObject:withPropertyName:] method implementation
Simplified +[EMKPropertyHelper propertyNameIsNative:fromObject:] method implementation
Merge branch 'review' into develop

Conflicts:
	EasyMappingKit/Source/Extensions/Foundation/NSObject+EMKKVC.m
	EasyMappingKit/Source/Utility/EMKPropertyHelper.h
	FastEasyMapping/Source/Core/Serializer/FEMSerializer.m
	FastEasyMapping/Source/Extensions/Foundation/NSArray+FEMExtension.m