Cartridge Bash SDK cleanups

Use locals whenever possible. Remove undesirable/unused functions.
Merge pull request #1937 from ironcladlou/dev/v2carts/sdk

Merged by openshift-bot
Bug 949121 - FQDNs are lowercased in Apache logs.
Merge pull request #1938 from rmillner/BZ949121

Merged by openshift-bot
Mysql snapshot/restore tests
stepdef refactor
stepdef refactor
WIP
WIP
wip
testing changes