[tools] Make it possible to run the language shell generator outside the parrot build tree. Change it so the default isn't adding the new language under "languages/..." in Parrot's build directory, since that's not the common case anymore.
[tools] Make it possible to run the language shell generator outside the
parrot build tree. Change it so the default isn't adding the new
language under "languages/..." in Parrot's build directory, since that's
not the common case anymore.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@38364 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot