win32: remove mozcrt references in libogg, libtheora, and libvorbis makefiles
win32: add -wd9035 to cflags to quiet cl warnings
win32: include mozcrt.lib and mozalloc.pdb in sdk builds
win32: mozcrt dll doesn't exist anymore
win32: add msys stuff to build-no-xul.sh
win32: add the current script I'm using to selectively (try to) build win deps
win32: add WIP first-run script which tries to fetch/setup build dependencies