move nestegg to third_party

examples.mk

test/test.mk

test/webm_video_source.h

third_party/nestegg/0001-include-paths.diff

...y/nestegg/0002-ne_read_simple-uninitialized_variable.diff

third_party/nestegg/AUTHORS

third_party/nestegg/INSTALL

third_party/nestegg/LICENSE

third_party/nestegg/README

third_party/nestegg/README.webm

third_party/nestegg/TODO

third_party/nestegg/halloc/README

third_party/nestegg/halloc/halloc.h

third_party/nestegg/halloc/src/align.h

third_party/nestegg/halloc/src/halloc.c

third_party/nestegg/halloc/src/hlist.h

third_party/nestegg/halloc/src/macros.h

third_party/nestegg/include/nestegg/nestegg.h

third_party/nestegg/src/nestegg.c

third_party/nestegg/test/test.c