Update unionTables and unionLists to not use the obsolete LaTeX2HTML mode (removes references to eHTML and bHTML, so resolves #2043 and #2421)
Remove unneeded x permissions from three macro files
Merge pull request #22 from dpvc/unionTables

Update unionTables and unionLists to not use LaTeX2HTML mode
Merge pull request #23 from dpvc/permissions

Remove unneeded x permissions from three macro files