update_csproj was called twice, once from update_project and once from update_www
CB-5345 Add pre_package event for windows8 parser.

Also:
- Don't call update_jsproj from update_www, instead call it from update_project.
- Fix update_www was called twice for windows8.
CB-5348 Minor tweaks to cordova help
CB-5362 blackberry parser: support local cordova-blackberry

In a project directory:
.cordova/config.json:
{
  "lib": {
    "blackberry10": {
      "uri": "/path/to/cordova-blackberry/blackberry10",
      "version: "dev",
      "id": "blackberry10"
    }
  }
}
Fixes to e2e tests: args[0] bug, corodva -> cordova