[fix] check solver prototxt parsing
Merge pull request #1226 from longjon/check-solver-prototxt

[fix] check solver prototxt parsing
[example] fix data script paths for flickr fine-tuning
Merge remote-tracking branch 'upstream/master' into stat
Merge branch 'stat' of https://github.com/DCGM/caffe.git into stat
Printing basic stats for activations.
Changing the format of param statistics.
Param statistics format:
Parameter statistics: iter layer:param_name  sum_abs sum_pow n_zero_elements data_size mean quant_0.05 quant_0.25 median quant_0.75 quant_0,95
Activation statistics format:
Activation statistics: iter layer:blob_name sum_abs sum_pow n_zero_elements data_size mean quant_0.05 quant_0.25 median quant_0.75 quant_0,95