changed python3 to python
details in serial.cpp and condition.cpp
Updating error message
Fixing sockets file descriptor and SIGPIPE handling for linux
Merge branch 'master' of http://github.com/RhobanProject/Utils
Merge remote branch 'origin/master'

Conflicts:
	serial/Serial.cpp
	threading/Condition.cpp
	timing/TickTimer.h
Forgot conflict