added comments added clean and realclean targets added $(TARGET)/lib/perl5 to PERL5LIB in user-env files
added comments
added clean and realclean targets
added $(TARGET)/lib/perl5 to PERL5LIB in user-env files

PATRIC3/dev_container,kbase/dev_container,PATRIC3/dev_container,SEEDtk/seedtk,SEEDtk/seedtk,olsonanl/dev_container_kb,olsonanl/dev_container_kb,kbase/dev_container