lib/jvm: fix callbacks in constructor of JavaVM

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
lib/jvm: fix path in annotation

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
DIRTY lib/jvm: intro libjvm

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>