add def overloading methode (dol)

I add it because I use it many times a day -not only for the `__init__` method-

this snippet is very useful to me, no need to call super and handle all args and kwargs, and no more typo errors :D
Merge pull request #340 from WnP/patch-1

add def overloading method (dol)
update meta charset in html
Merge pull request #341 from pgilad/patch-1

HTML: update meta charset
Merge branch 'master' of https://github.com/amilaperera/vim-snippets