Update project ui-grid to v3.0.0-rc.2-gf598dc3

libgrabber updated project ui-grid to v3.0.0-rc.2-gf598dc3.

@angular-ui

### Metadata information

```json
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    "repo": "angular-ui/ui-grid.info/",
    "files": {
      "basePath": "release/",
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      "exclude": []
    },
    "path": "/home/jsdelivr/files/angular.ui-grid",
    "localVersions": [],
    "remoteVersions": ["v3.0.0-rc.8", "v3.0.0-rc.2-ge32fd8a", "v3.0.0-rc.2-gec2e962", "v3.0.0-rc.2-gf598dc3"],
    "branchVersions": []
  },
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  "updated": true,
  "updatePath": "/home/jsdelivr/files/angular.ui-grid/3.0.0-rc.2-gf598dc3",
  "branch": "ui-grid/v3.0.0-rc.2-gf598dc3"
}
```