[TBD-1239]
Do not use deprecated fonction to close the HbaseConnection,
   in order to remove some error.
Merge branch 'maintenance/5.6' of ssh://github.com/Talend/tbd-studio-se into maintenance/5.6
TBD-1222: remove the PreparedStatement usage which is not fully supported by Impala
Merge branch 'maintenance/5.6'