code cleanup in druntime and phobos

[Daniel Murphy via Digitalmars-d]

"Dicebot"  wrote in message news:xovsaqnanmmgaltipuhz at forum.dlang.org...

> It is not hard, it is plain unacceptable for certain people. Call that 
> religious reasons.

Using github is similar to our requirement to match the code style when 
submitting patches.  It's non-negotiable, because there's no good reason not 
to do it.  You just remove those tabs, then get on with it.