Merge branch 'exp_mips_opt'

Makefile.mips

celt/_kiss_fft_guts.h

celt/celt.c

celt/fixed_generic.h

celt/kiss_fft.c

celt/mdct.c

celt/mips/celt_mipsr1.h

celt/mips/fixed_generic_mipsr1.h

celt/mips/kiss_fft_mipsr1.h

celt/mips/mdct_mipsr1.h

celt/mips/pitch_mipsr1.h

celt/mips/vq_mipsr1.h

celt/pitch.h

celt/vq.c

silk/NSQ_del_dec.c

silk/SigProc_FIX.h

silk/fixed/mips/noise_shape_analysis_FIX_mipsr1.h

silk/fixed/mips/prefilter_FIX_mipsr1.h

silk/fixed/mips/warped_autocorrelation_FIX_mipsr1.h

silk/fixed/noise_shape_analysis_FIX.c