refactor(VinylNodeCollection): rename _buildDependencies
refactor(SuperNode): rename _filepathMatcher
refactor(SuperNode): rename _filepathMatchedNodes
refactor(RequireState): rename _inRequireStates
refactor(RequireState): rename _keyPathAdded
refactor(RequireState): rename _pathsChanged
refactor(RequireState): rename _nothingChanged
refactor(RequireState): rename _totalBufferSize
refactor(RequireState): rename buildDependencies
refactor(RequireState): rename needRequireOrInclude
refactor(*): rename RequireState#addNodeIfNeeded
refactor(Node): rename _resolveKeyPath
refactor(Node): rename pathMatches
refactor(Node): rename buildDependencies
refactor(*): rename engines to _engines
refactor(*): rename engine_extensions to _engine_extensions
refactor(*): rename mime_exts to _mime_exts
refactor(*): rename mime_types to _mime_types
refactor(*): rename templates to _templates
refactor(*): rename preprocessors to _preprocessors