library/src/cppmanip/legacy/LocalVariableLocator.hpp -> library/src/cppmanip/LocalVariableLocator.hpp
renamed LocalVariableLocator to LocalVariableUsageDetector
simplified DefaultStatementLocatorTest
DefaultLocalVariableUsageDetector should_return_no_variables_of_none_are_used
DefaultLocalVariableUsageDetector should_return_variables_in_given_range
DefaultLocalVariableUsageDetector should_not_return_the_same_variable_twice
DefaultLocalVariableUsageDetector should_not_return_variables_declared_inside_the_given_range
DefaultLocalVariableUsageDetector should_not_return_global_variables