Allow compiling without examples
Allow compiling without examples

Change-Id: Id7b2dfc51545a9de1baf712e24dd0dc3da7c5f27
Reviewed-on: http://gerrit.aldebaran.lan/55875
Tested-by: nrubinstein <958004d5663b4fd0a0d26fef541880ee5b34c6ef@aldebaran-robotics.com>
Reviewed-by: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi