jsk_common: 1.0.18-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `jsk_common` to `1.0.18-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.4`
- previous version for package: `1.0.17-0`

## assimp_devel

```
* (#408) fix revision of assimp_git
* fix patch for cmake
* catch up with update of assimp
* Contributors: Kei Okada, Yohei Kakiuchi
```

## collada_urdf_jsk_patch

- No changes

## depth_image_proc_jsk_patch

- No changes

## downward

```
* install downward
* Contributors: Kei Okada
```

## dynamic_tf_publisher

- No changes

## image_view2

- No changes

## image_view_jsk_patch

- No changes

## jsk_common

- No changes

## jsk_footstep_msgs

- No changes

## jsk_gui_msgs

- No changes

## jsk_hark_msgs

- No changes

## jsk_tools

- No changes

## jsk_topic_tools

- No changes

## laser_filters_jsk_patch

- No changes

## libsiftfast

- No changes

## multi_map_server

- No changes

## openni_tracker_jsk_patch

- No changes

## opt_camera

- No changes

## posedetection_msgs

- No changes

## pr2_groovy_patches

- No changes

## rospatlite

- No changes

## rosping

```
* (rosping) Add pkg description, clarify difference with simular tool.
* Contributors: Isaac IY Saito
```

## stereo_synchronizer

- No changes