Use metaCall(string) as a layer above metaCall(uint).
Use metaCall(string) as a layer above metaCall(uint).

Change-Id: I78ab73a59ad7d8d2d0b2e8bbea15a142fcce50e4
Reviewed-on: http://gerrit.aldebaran.lan:8080/126
Reviewed-by: Cedric GESTES <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Tested-by: Cedric GESTES <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi-java,vbarbaresi/libqi,bsautron/libqi,aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi