Merge "update nestegg"

nestegg/.gitignore

nestegg/0001-include-paths.diff

nestegg/0002-ne_read_simple-uninitialized_variable.diff

nestegg/AUTHORS

nestegg/Makefile.am

nestegg/README.webm

nestegg/configure.ac

nestegg/docs/Doxyfile.in

nestegg/docs/Makefile.am

nestegg/halloc/src/halloc.c

nestegg/include/nestegg/nestegg.h

nestegg/m4/as-ac-expand.m4

nestegg/m4/ax_create_stdint_h.m4

nestegg/m4/pkg.m4

nestegg/nestegg-uninstalled.pc.in

nestegg/nestegg.pc.in

nestegg/src/nestegg.c

nestegg/test/test.c

test/webm_video_source.h

webmdec.c