fix InterfaceStubGenerator tests
fixed: type provider declarations are not always colored properly
fixed: provided type abbreviations are not colorized
Merge pull request #392 from vasily-kirichenko/fix-provided-types-colorization

fixed: type provider declarations are not always colored properly
Fix wrong start columns of generated properties
Merge pull request #395 from dungpa/fix-property-ranges

Fix wrong start columns of generated properties
fixed: InterfaceStubGenerator does not show the smart tag when the caret is beyond the last char of the interface symbol
replace inRange function with rangeContainsPos from FCS
Merge pull request #398 from vasily-kirichenko/fix-gen-intf-tagger-does-not-appear-at-the-end-of-symbol

fixed: InterfaceStubGenerator does not show the smart tag when the caret is beyond the last char of the interface symbol