Cpskin-diazotheme-dream

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- Remove unused skin.
[bsuttor]

- Add new annuaire.xml rules coming from cpskin.theme : 17751
[laulaz]

- Use first H1 even if it has no documentFirstHeading class : 17207
[laulaz]

- Add missing rules for right actions panel : 17748
[laulaz]

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- I deleted mobile-wide css to retrieve it in styles.less
[maud]

- Override nav-onglet-bg-hover variable for dream themes
[laulaz]

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- Ensure cpskin.theme is migrated to LESS before migrating this theme
[laulaz]

- Split media queries into different LESS files
[laulaz]

- Complete migration to LESS
[laulaz]

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- change css menu for mobile
[mgennart]

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- change search box for mini site out portal
[mgennart]

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- change sticky navigation for mini site on smartphone
[mgennart]