Reformat job_container/cncu from DOS to unix text format
Job container plugin mods, split container add into 2 funcitons

Split container_g_add() into 2 functions, One to add a proctrack
container (PAGG) and a new one to add a PID (which creates the
PAGG and adds the PID to it first.
Job container restructuring

Add uid to container_g_add_pid() and container_p_add_pid() functions
Resturcture calls to job container in multiple slurmd/stepd locations
Change job_container plugin due to change in name of slurmd_job_t

See commit b156ce5422f11e9aa2625fe5fc81faa361dfbb0c