rtmros_common: 1.2.0-2 in 'groovy/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rtmros_common` to `1.2.0-2`:

- distro file: `groovy/distribution.yaml`
- bloom version: `0.5.4`
- previous version for package: `1.2.0-1`

## hrpsys_ros_bridge

```
* bump to 1.2.0for hrpsys 315.2.0
```

## hrpsys_tools

```
* bump to 1.2.0for hrpsys 315.2.0
```

## openrtm_ros_bridge

```
* bump to 1.2.0for hrpsys 315.2.0
```

## openrtm_tools

```
* bump to 1.2.0for hrpsys 315.2.0
```

## rosnode_rtc

```
* bump to 1.2.0for hrpsys 315.2.0
```

## rtmbuild

```
* bump to 1.2.0 for hrpsys 315.2.0
```

## rtmros_common

```
* bump to 1.2.0for hrpsys 315.2.0
```