Adds --disable-npapi as an additional build option. The default is still to build in NPAPI compatibility, but with this flag, it's finally possible to build without pulling in GTK2 on systems that don't have the package.
This essentially ifdefs everything associated with NPAPI, following various Mozilla removal bugs.
Ref: BZ 1682030, BZ 1251202, BZ 1217665, BZ 1687239
Vim control lines were re-introduced or not entirely cleaned up.
This nukes them again.
Removing from accessible, [root], tools, uriloader, widget, xpcom and
xpfe.
Resolves#1656
trav90
athenian200
Moonchild
Lootyhoof
trav90
Matt A. Tobin