Add release notes

Fixes handlebars-lang#471

release-notes.md

@@ -0,0 +1,49 @@
+# Release Notes
+
+## Development
+
+- #471 - Create release notes (These!)
+- #458 - Fix `./foo` syntax (@jpfiset)
+- #460 - Allow `:` in unescaped identifers (@jpfiset)
+- #456 - Allow escaping of `\\`
+- #211 - Fix exception in `escapeExpression`
+- #375 - Escape unicode newlines
+- #461 - Do not fail when compiling `""`
+- #302 - Fix sanity check in knownHelpersOnly mode
+- #369 - Allow registration of multiple helpers and partial by passing definition object
+- Handle empty context in `with` (@thejohnfreeman)
+- Support custom template extensions in CLI (@matteoagosti)
+- Fix Rhino support (@broady)
+- Include contexts in string mode (@leshill)
+- Return precompiled scripts when compiling to AMD (@JamesMaroney)
+- Docs updates (@iangreenleaf, @gilesbowkett, @utkarsh2012)
+- Fix `toString` handling under IE and browserify (@tommydudebreaux)
+- Add program metadata
+
+[Commits](https://github.com/wycats/handlebars.js/compare/v1.0.10...master)
+
+## v1.0.10 - Node - Feb 27 2013
+
+- #428 - Fix incorrect rendering of nested programs
+- Fix exception message (@tricknotes)
+- Added negative number literal support
+- Concert library to single IIFE
+- Add handlebars-source gemspec (@machty)
+
+[Commits](https://github.com/wycats/handlebars.js/compare/v1.0.9...v1.0.10)
+
+## v1.0.9 - Node - Feb 15 2013
+
+- Added `Handlebars.create` API in node module for sandboxed instances (@tommydudebreaux)
+
+[Commits](https://github.com/wycats/handlebars.js/compare/1.0.0-rc.3...v1.0.9)
+
+## 1.0.0-rc3 - Browser - Feb 14 2013
+
+- Prevent use of `this` or `..` in illogical place (@leshill)
+- Allow AST passing for `parse`/`compile`/`precompile` (@machty)
+- Optimize generated output by inlining statements where possible
+- Check compiler version when evaluating templates
+- Package browser dist in npm package
+
+[Commits](https://github.com/wycats/handlebars.js/compare/v1.0.8...1.0.0-rc.3)