Fixed several warnings and errors when compiling on Linux.
Added link to Windows tutorial and replaced "-j4" with "-j `nproc`" as some people dont have 2 threads on their computers.

Added link to Windows tutorial and replaced "-j4" with "-j `nproc`" as some people dont have 2 threads on their computers.
Few more fixes and support for Mac OSX.
Merge branch 'master' of https://github.com/dominique120/rme
Removed leftover comment.
Added -Wno-sign-compare to avoid seeing the ~15 warning messages related
to signed/unsigned comparison.
About window now detects if on OSX.
Merge pull request #68 from dominique120/master

Fixed multiple warnings and errors when compiling on Linux and added full support for OSX.