Version 2.0 for Update 2 RC

• TypeScript fixes
• CSS snippets for gradients
• Updated JavaScript Intellisense with modern APIs
• Updated folder structure of WE source code
• New Sass Smart Tags for extracting variables
• Color glyph added to Sass variable declarations
• Added color glyphs to the Intellisense list
• Fixed CSS specificity for LESS and Sass
• Angular.js Intellisense in the JavaScript editor
• Updated defalut TSLint settings
• Fixed automatic CSS schema update mechanism
• Source Maps reading support in preview window
• CSS filter for uncommon property names