As always rework of init and some additions:

* Subdivide `my/-do-init' into two functions `my-init-before-private'
  and `my/-init-after-private'.
* Load directory with user private configs.
* Add and relocate some of the functions to my-std-lib.
* Add rainbow-mode.
* Add a little customization for tabbar.
* Update company completion for minibuffer.
* Disable template-auto-insert when creating private file.
* Make requre-package safer, log package-install errors.
* Fix wrap-with compatibility with older emacs.
* Update readme.
* Clear trailing whitespaces and other garbage.
* Other minor fixes.