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

This reverts commit 75566208a31b79f9b3dd5bab84673ec2628ac3ab.
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 925b6466ab02b41fe5e76a610b1e4038523d0654.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory