add coverity script
add coverity script

kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,dimagol/trex-core,kisel/trex-core,kisel/trex-core,dimagol/trex-core