NavigableItemsCollector consider class's let-bindings as fields
Fix name capturing in interfaces' member arguments

Fix #286.
Indent at the start column of the interface identifier if there is no implemented member

Fix #287.
Merge pull request #284 from vasily-kirichenko/add-class-let-bindings-into-navigateto

NavigableItemsCollector consider class's let-bindings as fields
Merge pull request #288 from dungpa/fix-name-capturing

Fix name capturing and indent by start columns of interface identifiers