Fix toolchain jdk5 demo
Fix toolchain jdk5 demo

MavenDemo/java-evolving-en,MavenDevoxxFR2015/demos,MavenDemo/java-evolving-fr,MavenDevoxxFR2015/demos,MavenDemo/java-evolving-fr,mgreau/demos,mgreau/demos,MavenDemo/java-evolving-en