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

This reverts commit aecd830e8ecfd016c9dfac09f24cdf387007b484.
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 26a10318379999d677c9e313b8f9fb8915e0d190.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_ros_patch/image_view2 sub directory