Add whitespace-mode toggle option.
Add whitespace package to spacemacs layer

Diminish lighter to Ⓦ
Add useful new macro `let-alist` to spacemacs layer
Init fancify symbols in clojure mode without cider
Move fancify symbols in clojure layer + refactorings

Refactoring aims at eliminate redundancy of sexp where
it is possible.
Remap visual state `s` to evil-surround

After change made in https://github.com/timcharper/evil-surround/pull/48
enabled js2-imenu-extra-mode in javascript mode
Add comment for js2-imenu-extra-mode activation
Remove use-package sub-module it is now a bootstrap package
Move iedit layer to spacemacs layer
Add missing iedit and iedit-insert in documentation
Fix spacemacs|evilify `n` and `N` key bindings
Fix git-gutter lazy loading in git layer
Add aggressive-indent to spacemacs layer

toggle with `t i`, disabled by default
Fix colors for rainbow-identifiers at startup
New colors layer to color your life
Fix perforce layer
Fix colors saturation and lightness micro-state
Merge branch 'develop' (v0.35.0)