Merge pull request #6 from wingify/rockspec-update

Updated version in rockspec from 1.4 to 1.5

Author: softvar

lua-resty-pubsub.rockspec

@@ -1,8 +1,8 @@
 package = "lua-resty-pubsub"
-version = "1.4-0"
+version = "1.5-0"
 source = {
    url = "git://github.com/wingify/lua-resty-pubsub",
-   tag = "v1.4"
+   tag = "v1.5"
 }
 description = {
    summary = "Lua Pubsub client driver for the ngx_lua based on the cosocket API",