SourceCodeClassifier returns ValueType for annotated with units of measure symbols
SourceCodeClassifier filters out all tokens except Ident and Operator
remove Category.PublicField

SourceCodeClassifier does not take operators into account
add SourceCoderClassifier tests for anonymous generic parameters
Merge pull request #442 from vasily-kirichenko/fix-units-of-measure-colorization

SourceCodeClassifier returns ValueType for annotated with units of measure symbols
First shot at extracting common structure
Refactor common logic between test & classifier
Cleanup
Rename types
Transform RecordExpr to record type
Move types to appropriate files
Finish renaming
Rename arg
Simplify RecordStubsInsertionPosition
Factor out some logic in walkExpr