fgm/go__socialnetwork: A fork of the code in the Go web services book @ 12b3e4459a6700240344c5ea453b203e249e7261

Frederic G. MARAND 12b3e4459a Ch1 pp52-54 Hello world with Gorilla mux.		%!s(int64=8) %!d(string=hai) anos
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db.sql	c615dabd70 Added database structure dump.	%!s(int64=9) %!d(string=hai) anos
ex1_helloworld.go	b7cb62ac28 Ch1 pp47-40: Hello world.	%!s(int64=8) %!d(string=hai) anos
ex2_hellogorilla.go	12b3e4459a Ch1 pp52-54 Hello world with Gorilla mux.	%!s(int64=8) %!d(string=hai) anos