Before this commit the fileExists mock was not doing the same as the
real fileExists method. To stay close to reality we changed it construct
the absolute path and check for that when the fileExists method is
called.
Refactored to archiveName instead of archivePath, as this makes more
sense now.
When running on a slave we have to use the Pipeline method fileExists,
using the File class' exist on the absolute path fails.
The neo deployment uses the relative path as well.
The fileExists method is mocked with LesFurets.
Without proper quotation characters with a special semantics
on shell level (e.g. "${}", "!", """ gets escaped on shell level
before handed over to the neo tool.
neoExecutable is surrounded by double quotes since we may have
shell ${variables} inside the groovy variable.
All other variables (user, host, account, password) are surrounded
by single quotes since we do not expect to be variables used here.
The neoExecutable is
