Fixed Linux package install mini test failure

Overriding the install_method would install NodeJS correctly, but the bin directory attribute was not getting changed because its value was changed after the default attribute file was processed.

Reverting behavior for now in Linux to just use the NodeJS versions in the PATH and default the Linux bin directory to always the same.
Fix test to run node for linux package builds
Run all vagrant builds with vagrant target
Merge pull request #10 from daptiv/package-source-dir

Fixed Linux package install mini test failure