Issue #10: Parse config and proxy file

update/agent/CMakeLists.txt

update/agent/include/agent/linux/datasid-agent.h

update/agent/include/agent/linux/datasid-check.h

update/agent/include/agent/linux/datasid-client.h

update/agent/include/agent/linux/datasid-common.h

update/agent/include/agent/linux/datasid-conf.h

update/agent/include/agent/linux/datasid-curl.h

update/agent/include/agent/linux/datasid-netmon.h

update/agent/include/agent/linux/datasid-network-usage.h

update/agent/include/agent/linux/datasid-proxy.h

update/agent/include/agent/linux/datasid-uninstall.h

update/agent/src/client.cpp

update/agent/src/client.h

update/agent/src/linux/datasid-agent.cpp

update/agent/src/linux/datasid-check.cpp

update/agent/src/linux/datasid-client.cpp

update/agent/src/linux/datasid-common.cpp

update/agent/src/linux/datasid-conf.cpp

update/agent/src/linux/datasid-curl.cpp

update/agent/src/linux/datasid-netmon.cpp