Pass arguments directly to skip_clean
erlang R16B03-1

Closes #474.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Remove test option from erlang formulae
Remove obsolete skip_clean
llvm34 3.4.2

  A few changes of note are:

  - Build fix with gcc 4.9
  - libLLVM.dylib soname fix

Closes #466.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>