Revert "Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory"

This reverts commit be40edd69e00e050be9eefc2107c60cfe9d2b7a7.
Rebase from 'upstream'
Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory
Revert "Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory"

This reverts commit 95168cb7f8599a475d3b9cd6bacdfabfabafe847.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory