Closure Stylesheets 1.5.0

Notable changes in 1.5.0

• Support more rules nested in @media
• Add CSS grid properties css3-grid-layout
• Support more rules (media, keyframes, supports, font-face) nested in @media
• Adds basic support for CSS custom properties css-variables
• DefaultVisitController respects enterFunctionNode's return value
• Support runtime vendor prefixing
• Merge ChunkCompactPrinter with its only subclass, TemplateCompactPrinter
• rm DefinitionPrinter. It has no users and no tests
• BrowserPrefixGenerator: improve static initialization
• Added CSS3 Transforms
• Remove remaining JUnit 3 support
• Migrate all remaining JUnit 3 tests to JUnit 4
• BiDiFlipperFunctionalTest: document lack of support for border shorthand
• Support referencing @defs in calc() expressions
• Remove deprecated CssFunctionNode constants
• Remove vacuous Create(ComponentNodes|ConditionalNodes|ConstantReferences|DefinitionNodes) passes in ast package
• Add grabbing cursor property expansion
• Don't reuse literal nodes in function argument fixup
• Add CSS property expansions for text-size-adjust
• Fix the way functions are evaluated in the templating compiler
• Fix VisitCompositeValueState.replaceCurrentBlockChildWith
• Add --input-renaming-map and --input-renaming-map-format options
• Add support for '-webkit-writing-mode' in CSS compiler
• Improve SourceCodeLocation accuracy