Add LargeMultiPOSEDataProvider
Add MultiPOSEDataProvider
Fix bug in  LargeMultiPOSEDataProvider
Output loading time in gpumodel.py
add dataprovider for faster loading
add save feature in testconvnet.py
Add dataprovider for indicatormap
Add image response codes
Add element wise logistic regression cost function

  E = - \sum_{i,j} y[i,j] log( \hat{y}[i,j] ) + (1 - y[i,j]) log( 1 - \hat{y}[i,j] )

  Make it numerical stable,
  \hat{y}[i,j] = logistic( z[i,j])
  where z[i,j] is the previous layers activation
  + computeEltwiseLogregCost
  + computeEltwiseLogregGrad
  + EltwiseLogregCostLayer
Add LargeJoints8AndIndicatorFeatureAllDataProvider
    more testing/visualizing code in testconvnet.py
Add L2SVM objective function support
Merge pull request #1 from itsuper7/develop