windows fixes -- resolving issues with incrrectly behaving expf/exp(float) under MSVC2013, plus some other improvements

kaldi-io-test fix on Windows

Changed URLs in the README file and refilled paragraphs.

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trunk: modifying cu-device.cc to work around what I'm not sure is a bug or a feature in our installation of CUDA toolkit v7.0.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5241 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

trunk,nnet1,mmi : bugfix in inital data filtering in nnet1 mmi script, thanks to Angel Castro for finding it!



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trunk: small fix to get_lda_block.sh (thanks: mozno@users.sf.net) plus a few other unrelated small changes

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* Compatibility changes with Windows CL and ICL compilers.
* Set binary mode for binary I/O in files and pipes where it matters.
* Cygwin compatibility option (KALDI_CYGWIN_COMPAT). When enabled, kaldi programs
  recognize unix-style paths and use bash instead of cmd to run subprocesses.
  This is the mode added to enable running the training egs scripts in cygwin bash
  but compile native Windows mode



git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5225 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

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- 'blocksoftmax' is better name as it has same name as the used output component,
- we use multitask objective function, so we can see performance on individual tasks,
- also adding some older LSTM results on tedlium, not working on this recipe now,



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trunk: adding optional 3rd argument to lattice-to-ctm-conf so that it can also reads the word sequence from input

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(trunk) Patch the rnnlm code to allow longer filenames + add a error message when the filename is still longer than the buffer size

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(trunk) The decode scripts now fail when the scoring fails. Added --skip-scoring switch to all of them to allow skipping the scoring alltogether, i.e. to avoid the decoding failure

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@5202 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

trunk,nnet1 : bugfix in cuda-gpu detection (mmi/mpe script itself is not running on a machinge with GPU, it submits job to a GPU node)


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