[DDF-470] Change phase for dependency plugin.

Also add explicit version for maven dependency plugin to pom and whitespace fixes
Merge pull request #4 from bradh/DDF-470

[DDF-470] Change phase for dependency plugin.
Reviewed by: @mrmateo & @shaundmorris
DDF-458: Updated to build on JDK7 and JDK8.
DDF-458: Commented out JDK8.
Added DDF JIRA ticket URL.