Added profiling capability
Added profiling capability

xunzhang/dynet,xunzhang/dynet,shuheik/dynet,danielhers/dynet,shuheik/dynet,chunyang-wen/dynet,shuheik/dynet,chunyang-wen/dynet,danielhers/dynet,danielhers/dynet,danielhers/dynet,clab/dynet,xunzhang/dynet,clab/dynet,shuheik/dynet,chunyang-wen/dynet,clab/cnn,clab/dynet,clab/cnn,clab/dynet,shuheik/dynet,clab/cnn,danielhers/dynet,clab/dynet,shuheik/dynet,danielhers/dynet,danielhers/dynet,xunzhang/dynet,shuheik/dynet,clab/dynet,clab/dynet,chunyang-wen/dynet