Translate key ids to names in getProperty().

When rethrowing exceptions for properties not found, the property keys
need to be translated from internal ids to user friendly names.
Add diagnostic output to manual build.

When documentation generation fails in the manual, include query profile
information in the failure output. This will help debugging queries that
fail in the documentation generation.
Fixes AsciiDoc syntax and tweaks the content for shell docs.
Updating Cypher expression docs. Fixes #1521
Merge pull request #1520 from thobe/2.0-translate-property-keys

Translate key ids to names in getProperty().