Add support for TextMate scopes
Pass `tm_scope` overrides
Add `tm_scope` to the BlobHelper
Bump version
Removing beta label
Merge pull request #1592 from github/vmg/tmscopes

Vmg/tmscopes
Update README.md
Add TextMate scopes for Sass/SCSS files
Add a TextMate scope for YAML
Add a TextMate scope for JSON
Add a TextMate scope for Objective-C++
Add TextMate scopes for HTML variants
Add a TextMate scope for Literate CoffeeScript
Minor bump
Merge pull request #1593 from github/more-tmscopes

Add more TextMate scopes
Add F# sample.  Add Forth extension .fs.