roscpp_core: 0.5.3-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `roscpp_core` to `0.5.3-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.5.2-0`

## cpp_common

```
* add missing boost dependency (#24 <https://github.com/ros/roscpp_core/issues/24>)
```

## roscpp_serialization

- No changes

## roscpp_traits

- No changes

## rostime

- No changes