Merge commit 'celt-repo/master'

.gitignore

libcelt/Makefile.am

libcelt/_kiss_fft_guts.h

libcelt/arch.h

libcelt/bands.c

libcelt/bands.h

libcelt/c64_fft.c

libcelt/c64_fft.h

libcelt/celt.c

libcelt/celt.h

libcelt/celt_header.h

libcelt/celt_types.h

libcelt/cwrs.c

libcelt/cwrs.h

libcelt/dump_modes.c

libcelt/ecintrin.h

libcelt/entcode.c

libcelt/entcode.h

libcelt/entdec.c

libcelt/entdec.h