COOPR-564: Coopr CLI run scripts

Several updates to this section...
```
PRG=${0} # Use this syntax, everywhere
bin=`dirname ${BASH_SOURCE-$0}` # No need for redundant quotes
bin=`cd ${bin}; pwd` # What do you do in the case of an error?
lib=`dirname ${bin}/lib` # No need for ../
script=`basename ${0}`
```