Merge pull request #609 from dungpa/vs-tests

Add VS tests for ResolveUnopenedNamespaceTagger
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
Prevent VSIX deployment in AppVeyor CI

Reference
http://blog.paranoidcoding.com/2014/06/07/deploying-vsix-to-appveyor.html
Cleanup
Fix NRE exception on syntax coloring

Close #564.
Merge pull request #614 from dungpa/fix-nre

Fix NRE exception on syntax coloring
Normalize new lines in tests
AppVeyor badge and artifact point to master branch

Close #522.
Merge pull request #613 from dungpa/cleanup

Cleanup
Add VS unit tests for highlight references