Add Inference example and unit test for rnn_encoder_decoder#8176

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kexinzhao merged 9 commits intoPaddlePaddle:developfrom

kexinzhao:inf_rnn_encode_decode

Feb 8, 2018

Commits on Feb 1, 2018

initial commit
kexinzhao
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Commits on Feb 4, 2018

modify prune.cc for multiple blocks
kexinzhao
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Commits on Feb 5, 2018

Commits on Feb 6, 2018

clean code
kexinzhao
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fix bug
kexinzhao
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Commits on Feb 7, 2018

Address comments, add c++ inference example and Merge remote branch
kexinzhao
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Commits on Feb 8, 2018