Change cowboy URL and version to 1.0.0

packages.v2.tsv

@@ -1,5 +1,5 @@
 bullet	git	https://github.com/extend/bullet	master	http://ninenines.eu	Simple, reliable, efficient streaming for Cowboy.
-cowboy	git	https://github.com/extend/cowboy	master	http://ninenines.eu	Small, fast and modular HTTP server.
+cowboy	git	https://github.com/ninenines/cowboy	1.0.0	http://ninenines.eu	Small, fast and modular HTTP server.
 cowlib	git	https://github.com/ninenines/cowlib	1.0.0	http://ninenines.eu	Support library for manipulating Web protocols.
 eper	git	https://github.com/massemanet/eper	master	https://github.com/massemanet/eper	Erlang performance and debugging tools.
 erlydtl	git	https://github.com/erlydtl/erlydtl	master	https://github.com/erlydtl/erlydtl	Django Template Language for Erlang.