Use Height x Width notation in hello world examples

examples/hello-world.lua

@@ -47,7 +47,7 @@ input:addSample()
 for y,line in ipairs(msg) do
   for x = 1,string.len(line) do
     if string.sub(line,x,x) == 'O' then
-      local location = torch.LongTensor{x,y}
+      local location = torch.LongTensor{y, x}
       local featureVector = torch.FloatTensor{1}
       input:setLocation(location,featureVector,0)
     end
@@ -61,7 +61,7 @@ local featureVectors = {}
 for y,line in ipairs(msg) do
   for x = 1,string.len(line) do
     if string.sub(line,x,x) == 'O' then
-      table.insert(locations, {x,y})
+      table.insert(locations, {y, x})
       table.insert(featureVectors, {1})
     end
   end

examples/hello-world.py

@@ -41,7 +41,7 @@ input.addSample()
 for y, line in enumerate(msg):
     for x, c in enumerate(line):
 	if c == 'X':
-            location = torch.LongTensor([x, y])
+	    location = torch.LongTensor([y, x])
 	    featureVector = torch.FloatTensor([1])
 	    input.setLocation(location, featureVector, 0)
 
@@ -52,7 +52,7 @@ features = []
 for y, line in enumerate(msg):
     for x, c in enumerate(line):
 	if c == 'X':
-            locations.append([x,y])
+	    locations.append([y, x])
 	    features.append([1])
 locations = torch.LongTensor(locations)
 features = torch.FloatTensor(features)