Standardized our varable usage in shell scripts

Hate opening a file with mixed upper and lowercase variables.
Also, wasn't fond of the 2 space vs 4 space with noexpandtab.
I wanted to move us to a standard, we can clean it with whichever
standard we like.  *e.g. 2 vs 4 spaces, ${} vs $ etc...
Merge pull request #203 from blueboxgroup/blueboxgroup/test-var-cleanup

Standardized our varable usage in shell scripts