Hi,I pull a request for add_server to upstream,and include testing code#12

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chunshengster wants to merge 5 commits intoopenresty:masterfrom chunshengster:master

+812-73

Commits on Mar 10, 2015

add add_server function and nginx.conf ,but not full test,and the respawn worker has no add data
王春生
committed
add add_server function and nginx.conf ,but not full test,and the respawn worker has no add data
王春生
committed

Commits on Mar 16, 2015

Commits on Mar 17, 2015

add test configuration file
王春生
committed