Attempt to get rid of phobos Makefiles, using reggae

[Dicebot via Digitalmars-d]

On Monday, 29 June 2015 at 18:10:32 UTC, Dmitry Olshansky wrote:
> Ideally if reggae doesn't depend on Phobos/druntime (e.g. 
> builds with -betterC switch) then Makefile has no use at all - 
> builds are completely bootstrappable.

We already require valid install of previous release for 
bootstrapping because of DDMD. No reason to require -betterC - 
just getting reggae as a library into Phobos is enough.