docs(guide:unit-testing): add an example unit test for directives
docs(di): fix typos and grammar
docs(filter): improve syntax for usage in templates
docs(contribute): add Java as dependency

Current build process leverages closure jar for javascript minification.
If Java is not installed and included in the PATH the build will fail.
docs($q): fix typo
Merge branch 'v1.0.x' of git://github.com/angular/angular.js into v1.0.x

* 'v1.0.x' of git://github.com/angular/angular.js:
  docs($q): fix typo
  docs(contribute): add Java as dependency
  docs(filter): improve syntax for usage in templates
  docs(di): fix typos and grammar
  docs(guide:unit-testing): add an example unit test for directives