add local reduction
Merge branch 'master' of github.com:spartan-array/spartan
remove local reduction
Merge branch 'master' of github.com:spartan-array/spartan
Merge branch 'master' of github.com:spartan-array/spartan

Conflicts:
	spartan/worker.py
remove some warn message
remove some warn message
fix transpose array do not have extent_for_blob error when broadcasting one transpose array and other arrays
also add extent_for_blob function for reshape and slice array
fix dot result shape error
Merge pull request #174 from MaggieQi/master

fix transpose array do not have extent_for_blob error when broadcasting one transpose array and other arrays