Update common-utilities to target java 1.7
Add failsafe execution for integration-test and verify goals

- common, decider, and workflow utilities are built using mvn clean
install -DskipITs=false -DdbHost=...  -f utility-modules.xml
- an execution configuration seems to be required to enable failsafe
goals when building the modules in this way
Merge pull request #37 from pipedev/PDE-833

Pde 833