Add ability to specify public key file
Fixes #128
Merge pull request #130 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Add default network_string to add public network
Merge pull request #131 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Rerun currently doesn't work so removing README to say it does!
Fix RERUN mode
Merge pull request #132 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Added check for apt-repo (Removing TODO)
Clean up variables and order them better
Remove "instance_exists" redundant function
Add check for yum-repo installed
Add package check for RHEL
Make wipe.sh not-case sensitive
Merge pull request #133 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Fix var names for pkg checks
Adjust httpd restart to stop, wait 5, start
Merge pull request #134 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Fix RERUN mode for dev, and adjust text output slightly
Adjust from rm to git reset
Adjust for --rerun, change settings/README