comm: ignore SIGPIPE

This prevents client and server from being sent a SIGPIPE (and
terminating) when the other side unexpectedly closes the connection.
It's way easier to handle this condition when checking the write()
return value, than to do anything smart in a SIGPIPE handler.  More
details:
<http://stackoverflow.com/questions/108183/how-to-prevent-sigpipes-or-handle-them-properly>

Change-Id: I1da5bf5ef79c8b7b00ede976e96ed4f1c560049d

src/core/efw/JobClient.cc

@@ -1,4 +1,5 @@
 #include "JobClient.hpp"
+#include "comm/SocketComm.hpp"
 
 using namespace std;
 
@@ -6,6 +7,7 @@ namespace fail {
 
 JobClient::JobClient(const std::string& server, int port)
 {
+	SocketComm::init();
 	m_server_port = port;
 	m_server = server;
 	m_server_ent = gethostbyname(m_server.c_str());