Detect OS and MODEL properly; default DMD to development ../dmd/src/dmd
Fix FreeBSD/32 model detection
Merge pull request #694 from andralex/makefile

Detect OS and MODEL properly; default DMD to development ../dmd/src/dmd
add SetFileAttributes
Merge pull request #696 from MartinNowak/windowsAPI

add SetFileAttributes
detect other uname -m outputs

- x86_64, amd64 => MODEL:=64
- i386, i586, i686 => MODEL:32
Merge pull request #697 from MartinNowak/fixAutoMODEL

detect other uname -m outputs