Tidy up formatting
[maven-release-plugin] prepare release p4-1.0.3
[maven-release-plugin] prepare for next development iteration
Merge pull request #5 from p4paul/master

Pull 'local syntax' change
[maven-release-plugin] prepare release p4-1.0.4
[maven-release-plugin] prepare for next development iteration
Merge remote-tracking branch 'upstream/master'
Custom build args for Workspace names.

Takes `${parameter}` and replaces it with the value if defined or uses
the tag (`parameter` in this case).
Includes substitution for a space ` ` with `_` as per P4 behaviour.