Change gem repo to ruby.taobao.org.
Merge branch 'master' of github.com:lightxu/EBDH

Conflicts:
	EBusinessDemo/Gemfile
Merge branch 'master' of github.com:lightxu/EBDH
Merge branch 'master' of github.com:lightxu/EBDH
Ruby-database operation-include select books,inserts