Merge pull request #1 from marshluca/master

accept it
Merge pull request #2 from marshluca/master

product management, category management
Merge pull request #3 from marshluca/master

Reviewed the code "rake task for create an administrator" and merge it.
Merge pull request #4 from marshluca/master

hotfix on requiring spree_core
Merge pull request #1 from Shinetechchina/master

#1
Merge remote-tracking branch 'upstream/develop' into develop
Merge pull request #6 from marshluca/master

Refinery layout for Spree store
Merge pull request #7 from marshluca/master

customize the layout for spree
Merge remote-tracking branch 'upstream/develop' into develop
pass rspec
Merge pull request #8 from xueshibing/develop

fix rspec
test for integrating store tab