Sample skin + docs

[himdel]

This adds a skin-sample folder, containing a simple sample skin, and a README describing how the skinning works, where to look, and what to override.

If everybody agrees with the wording of the README, I'll do a similar PR with just the readme to ManageIQ/guides so that it's part of the devel docs as well.

Applying the skin: skin-sample/link.sh (optionally with the path to the ssui folder)
Unapplying: skin-sample/unlink.sh (or rm client/skin)

Closes #115

[himdel]

@epwinchell if you ever have some extra time, maybe this sample skin deserves some love so that it actually looks good. But it is just a sample skin, so..

[miq-bot]

Checked commits https://github.com/himdel/manageiq-ui-self_service/compare/07808e3731d19543093f6f90e4f96b5b4ba16f28~...69a4d1c7f502e2491a3325730a3021fa66713385 with ruby 2.2.5, rubocop 0.37.2, and haml-lint 0.16.1
0 files checked, 0 offenses detected
Everything looks good. 👍

[himdel]

The CC issues can't be fixed IMO...

BTW @AllenBW should the scss linter check css files too? At least 2 of the errors don't even make sense for css..

[AllenBW]

@himdel I would say yessssssss we should be checking css files ALL TEH FILES

seriously though, if these things cant be changed, welp tough luck codeclimate we're not changing them!

<3

[AllenBW]

🤘 ❤️

[chriskacerguis]

Can you please address the code climate issues?

[himdel]

@chriskacerguis Nope, sorry, I cannot :). Not without breaking it..

[chriskacerguis]

@himdel not arguing, but for the sake of completeness could you maybe shed some light on to why you feel that way?

[himdel]

Yup, already on it.. :)

Selector splash__message should be written in lowercase with hyphens

Not without breaking everybody's skin.. - it's overriding styling for this class (actaully, we're using BEM AFAIK so .. different convention even - will investigate)

Begin pseudo elements with double colons: ::

Not in CSS

Color literals like #404 should only be used in variable declarations; they should be referred to via variable everywhere else.

Not in CSS.

Similar code found in 1 other location (mass = 111)

Well, yes, it's an override.

[chriskacerguis]

Thanks @himdel makes sense to me!

[chriskacerguis]

Merging due to @himdel code additions being "valid".