[speechx] move test to examples

[speechx] libsndfile , openfst, openblas cmake

[Speechx] add cmvn

[speechx] libsndfile

[speehx] refactor cmakefile

[Speechx] add build.sh & openblas

[Speechx] align linear_feature & nnet & refactor cmakelist

[speechx]add linear spectrogram feature extractor

[server] update server cli

[Setup] Fix setup

[server] more install 

[doc] update ctc loss compare