Initial version of Find All References
Merge branch 'master'
FindReferencesFilter searches solution-wide
make Find references async
Highlight symbol text and tweak icon handling
Merge pull request #1 from vasily-kirichenko/find-all-references

FindReferencesFilter searches solution-wide
Merge branch 'find-all-references' of https://github.com/dungpa/PowerTools into find-all-references
SyntaxConstructClassifier does not use previously selected colors as default
Final touch
FindReferenceFilter searches all over the solution for externally declared symbol usages
Merge pull request #2 from vasily-kirichenko/find-external-symbol-references

FindReferenceFilter searches all over the solution for externally declared symbol usages
Fix the bug with highlighting incorrect ranges
Windows shouldn't be prematurely opened
Merge pull request #350 from dungpa/find-all-references

Add Find all references
Merge pull request #349 from vasily-kirichenko/fix-default-colors

SyntaxConstructClassifier does not use previously selected colors as def...
fixed: XmlDoc auto generation does not work if the line contains trailing whitespaces beyond the caret position
fixed: XmlDocParser fails on auto properties
cleanup XmlDocParser / Filter