Reset the graph plotter internals when HEAD has changed.
treea6fe7f17232bb4692789be70f704450a555e28ed
-rw-r--r-- 2290 INSTALL
-rw-r--r-- 8447 README
-rw-r--r-- 13007 SUBMITTING_PATCHES
-rw-r--r-- 5043 TODO
-rwxr-xr-x 693 jgit
drwxr-xr-x - org.spearce.egit-feature
drwxr-xr-x - org.spearce.egit-updatesite
drwxr-xr-x - org.spearce.egit.core.test
drwxr-xr-x - org.spearce.egit.core
drwxr-xr-x - org.spearce.egit.ui
drwxr-xr-x - org.spearce.egit
drwxr-xr-x - org.spearce.jgit.test
drwxr-xr-x - org.spearce.jgit