Updating travis to use python 3.4
Updating travis to use python 3.4

Elizaveta239/PyDev.Debugger,fabioz/PyDev.Debugger,Elizaveta239/PyDev.Debugger,fabioz/PyDev.Debugger,fabioz/PyDev.Debugger,fabioz/PyDev.Debugger,Elizaveta239/PyDev.Debugger,Elizaveta239/PyDev.Debugger,Elizaveta239/PyDev.Debugger,fabioz/PyDev.Debugger