Add unicode support for ID tokens

Fixes #433
Fixes #469
Update in the wild section

Fixes #246
Add support for complex ids in @data references
Fail if jison fails
Add unescaped tokenizer tests
Add supported environments statement

Fixes #344
Improve tracking of original path values
Protect from object prototype modifications

Fixes #534
Allow ID, STRING, or INTEGER for partial name

Fixes #519
improve error message on missing helper

Via @stefanpenner
Fixes #523
Allow function arguments to with and each

Via @mcdan
Fixes #239
Update to latest uglify lib
Add minify task to release target
Require matching braces in escaped expressions

Fixes #437
Ignore minimized files from git
Allow execution of helpers on the context

Fixes #285
Move upgrade notes to release-notes
Move external AST tests into qunit spec
Merge global and passed helpers and partials
Update to 1.0.0 final