Update examples to use new module names

examples/load/io/prog/Main.hs

@@ -2,7 +2,7 @@
 
 #include "../../../../config.h"
 
-import Plugins
+import System.Plugins
 import API
 
 main :: IO ()

examples/load/load_0/prog/Main.hs

@@ -1,5 +1,5 @@
 
-import Plugins
+import System.Plugins
 import API
 
 main = do

examples/load/loadpkg/Main.hs

@@ -1,4 +1,4 @@
 
-import Plugins
+import System.Plugins
 
 main = loadPackageWith "posix" []

examples/load/null/prog/Main.hs

@@ -2,7 +2,7 @@
 
 #include "../../../../config.h"
 
-import Plugins
+import System.Plugins
 import API
 
 -- an example where we just want to load an object and run it

examples/load/thiemann0/prog/Main.hs

@@ -1,5 +1,5 @@
 
-import Plugins
+import System.Plugins
 import API
 
 main = do

examples/load/thiemann2/prog/Main.hs

@@ -1,5 +1,5 @@
 
-import Plugins
+import System.Plugins
 import API
 
 import A

examples/load/unloadpkg/Main.hs

@@ -1,5 +1,5 @@
 
-import Plugins
+import System.Plugins
 
 main = do loadPackage "posix"
           unloadPackage  "posix"