nitta-lab:master
nitta-lab:auto_track_vertex
http://nitta-lab-www.is.konan-u.ac.jp/gitbucket/git/nitta-lab/MagnetRON.git into auto_track_vertex Conflicts: src/org/ntlab/deltaViewer/MagnetRONViewer.java
using MagnetRONViewer #scroll~(). Added AutoTrackingAction class.