Bump version to 1.2.0
Merge branch 'master' of https://github.com/fsprojects/VisualFSharpPowerTools
use active patterns to clean up SourceCodeClassifier
fix compilation
refactoring according to review
Merge pull request #528 from vasily-kirichenko/SourceCodeClassifier-refactoring

Source code classifier refactoring
Merge remote-tracking branch 'fsprojects/master' into resolve-unopened-namespace

Conflicts:
	src/FSharpVSPowerTools.Core/SourceCodeClassifier.fs
	src/FSharpVSPowerTools.Core/TypedAstUtils.fs