Merge remote-tracking branch 'upstream/master' into staging

Conflicts:
	pkgs/applications/misc/pytrainer/default.nix
	pkgs/development/tools/pew/default.nix
	pkgs/tools/misc/you-get/default.nix

pkgs/servers/http/pshs/default.nix

@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "pshs-${version}";
-  version = "0.3.1";
+  version = "0.3.2";
 
   src = fetchFromGitHub {
     owner = "mgorny";
     repo = "pshs";
     rev = "v${version}";
-    sha256 = "18mhxdjlyr21gghzkrrlp0imicb6bqf741p0a21c2rkvs4bv8c1w";
+    sha256 = "1ffdyv5qiqdg3jq8y91fsml046g88d7fyy2k81yii11jw3yx2js0";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];

pkgs/servers/http/thttpd/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "thttpd-${version}";
-  version = "2.27";
+  version = "2.28";
 
   src = fetchurl {
     url = "http://acme.com/software/thttpd/${name}.tar.gz";
-    sha256 = "0ykda5k1zzzag59zbd4bkzj1psavq0xnpy7vpk19rhx7mlvvri5i";
+    sha256 = "0a03w7wg994dizdb37pf4kd9s5lf2q414721jfqnrqpdshlzjll5";
   };
 
   prePatch = ''

pkgs/servers/http/yaws/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "yaws-${version}";
-  version = "2.0";
+  version = "2.0.4";
 
   src = fetchurl {
     url = "http://yaws.hyber.org/download/${name}.tar.gz";
-    sha256 = "1gwk44a07n7yvg900yrlfc6qpvjl64k2h2hddd1jaaay8lgpcch6";
+    sha256 = "1ig6q4waqlb6h1hhrly7hslfnqczlbm79vvhr5j7rp5a2p1pfrns";
   };
 
   # The tarball includes a symlink yaws -> yaws-1.95, which seems to be