Run specs via guard.
Use shallow package attributes.

NOTE: This changes the default attributes tree!

- Temp. disable 3rd party stuff.
- Hide RemotePackage class behind helpers.
- Move default attributes for packages one level up.
- Refactor recipe and spec.
Add Weasis recipe with latest deploy files.

- Refactor weasis install into own recipe.
- Update URLs and checksums.
Refactor weasis deployment.
Add docs and bump version.
Merge branch 'weasis'