Update project angular.ui-router to 0.2.12-pre1

libgrabber updated project angular.ui-router to 0.2.12-pre1.

@angular-ui

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "angular.ui-router",
    "repo": "angular-ui/ui-router",
    "files": {
      "basePath": "release/",
      "include": ["**/*"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/angular.ui-router",
    "localVersions": ["0.2.0", "0.2.7", "0.2.8", "0.2.10", "0.2.11"],
    "remoteVersions": ["0.0.1", "0.2.0", "0.2.5", "0.2.6", "0.2.7", "0.2.8-bowratic-tedium", "0.2.8", "0.2.9", "0.2.10", "0.2.11", "0.2.12-pre1"],
    "branchVersions": []
  },
  "version": "0.2.12-pre1",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/angular.ui-router/0.2.12-pre1",
  "branch": "angular.ui-router/0.2.12-pre1"
}
```