- Changed check_for_ppa to be parameterized
- Added bash strictmode
- refactored the package_status method to consume variables and be a bit
nicer to future re-use of the method.
- Cut out extra echo -n statements in favor of tr -d or native awk
- Refactored branching logic paths to leverage double brackets
- normalized local variable annotation
- Updated globals to be all CAPS
- remainder of filbrandens feedback in validate-cluster.sh
5acce1b245