Base Revitilization Project (#76)

Some more waypoints and mode stuff for base/

Platform: don't play startupvideo or background map when already in a level on menu init

Commit waypoints for lqdm1, lqdm4, lqdm7 and lqdm8

add base.fmf

Integrate LibreQuake assets into the base/ sample game.

base/src fix some path nonsense

src/vgui/ScrollBar.qc: improve handle size

Makefile: fix gtkradiant build check

Makefile: updated build commands for netradiant[-custom] and vmap

Makefile: don't get gamepacks by default for gtkradiant, change the defs install check (prevents failed editor builds from getting defs built)

Makefile: netradiant gamepack building support

Makefile: add netradiant target

add src/rules.src

Update your project files, some path adjustments so the compiler doesn't need to add an include path.