TODO: Horizontal JScrollBar is inside vertical JScrollPane (so you have to scroll down to scroll to the right/left).
Manual pick from master branch. Git cherry-pick is not possible, since the Rnw-file moved and a different fake file (with the same name) exists. The full change history of gMCP.Rnw is available in the master branch.
Merge (with resolved pre-R3 Rnw-fake file conflict).

Merge branch 'pre-R3'

Conflicts:
	pkg/gMCP/vignettes/gMCP/gMCP.Rnw