removed "addgrads" parameter in spatialconvolution
removed alpha and beta from spatialconvolution
only comments
only moved stuff
only added comments
added help_desc in spatialconvolution
small fix
added description and removed shdmem parameter in spatialmaxpooling
added description in spatialglobalmaxpooling
small fix in logsoftmax
added descriptions for texfun* and extractinterpolate
small fix in description