eliminate fake warnings and TODOs
move MFMixser to an independant package
remove redundant all nodes posting
add construct for convienence
update tb reference
fix java compile version config to java8
update tb reference
eliminate unnecessary and inline nessessary multOuter() invoking
rewrite bases function as MFBases
add a simple mixer bench mark demo
rewrite IntegratorBaseConfig to IntegralBaseConfig

  + use Consumer/FunctionIntegratorGroup instead of single IntegratorsGroups
  + split formal IntegratorsGroups to ThreeStageIntegralCollection and ScniIntegralCollection