Shorten apm paths on Windows

resources/win/apm.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-"$0/../../app/apm/node_modules/atom-package-manager/bin/node.exe" "$0/../../app/apm/node_modules/atom-package-manager/lib/cli.js" "$@"
+"$0/../../app/apm/bin/node.exe" "$0/../../app/apm/lib/cli.js" "$@"

resources/win/atom.cmd

@@ -18,5 +18,5 @@ FOR %%a IN (%*) DO (
 IF "%EXPECT_OUTPUT%"=="YES" (
   "%~dp0\..\..\atom.exe" %*
 ) ELSE (
-  "%~dp0\..\app\apm\node_modules\atom-package-manager\bin\node.exe" "%~dp0\atom.js" %*
+  "%~dp0\..\app\apm\bin\node.exe" "%~dp0\atom.js" %*
 )

resources/win/atom.sh

@@ -18,5 +18,5 @@ done
 if [ $EXPECT_OUTPUT ]; then
   "$0/../../../atom.exe" "$@"
 else
-  "$0/../../app/apm/node_modules/atom-package-manager/bin/node.exe" "$0/../atom.js" "$@"
+  "$0/../../app/apm/bin/node.exe" "$0/../atom.js" "$@"
 fi