Merge branch 'master' into luasocket

BUILD.txt

@@ -29,8 +29,6 @@ BUILDING FROM THE REPOSITORY
  If you have pulled sources from the Premake source repository, you can
  use `Bootstrap.mak` to generate your first premake executable:
 
-    $ git submodule init
-    $ git submodule update
     $ make -f Bootstrap.mak PLATFORM
 
  Where PLATFORM can be osx or linux.

appveyor.yml

@@ -5,8 +5,6 @@ platform:
 
 before_build:
   - cmd: git clean -ffxd
-  - cmd: git submodule sync
-  - cmd: git submodule update --init
 
 build_script:
   - cmd: call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat"