Reference "node" in attribute files rather than "default"
Factored out Apache version number
Fixed MSI url
Factored version out of PHP MSI url
Renamed file attribute to DLL. Should be clearer.
Cleaned attribute file up
Renamed format_cmd to generate_bash_command_line and moved it into a library
Replaced regex with File.basename
Updated to use modern notification syntax. Also changed ambiguous helper function name.