fixed: SourceCodeClassifier wrongly chooses unappropriated DisplayName if there are several of them for a single FullName
fixed: not all kinds of Pattern expression were taken into account by SourceCodeClassifier as it's calculating unused open statements
Merge pull request #610 from vasily-kirichenko/fix-multiple-display-names

fixed: SourceCodeClassifier wrongly chooses unappropriated DisplayName if there are several of them for a single FullName