LDA always prints to console

[Ivanidzo4ka]

Run LDA documentation sample:

using 10 thread(s) to do train/test
mem_block_size = 252
alias_mem_block_size = 348
started training with 10 threads
Iter: 0000      Thread = 0      Tokens: 29      Took: 0.0002612 sec     Throughput: 111026 token/(thread*sec)
Total likelihood: -210.838      ..........[Nomralized word ll: -323.375 Word  likelihood: 174.678       Doc   likelihood: -62.1403]

and so on without any option to turn it off.