SHIFT key support for heatmap-keyboard

# adding "shift" support to http://www.patrick-wied.at/projects/heatmap-keyboard/
# crude first cut: left shift only, shifted *letters* only

diff --git a/coordinates.js b/coordinates.js
index a5dfb1a..f6c5437 100644
--- a/coordinates.js
+++ b/coordinates.js
@@ -67,7 +67,8 @@ app.COORDINATES = {
     ">": [590, 275],
     "/": [644, 275],
     "?": [644, 275],
-    " ": [500, 300]
+    " ": [500, 300],
+    "LSHIFT": [104 ,275],
 },
 app.EXCLUDES = [" "],
 app.SAMPLE_TEXT = [
diff --git a/index.html b/index.html
index 7f77f8e..125f6ef 100644
--- a/index.html
+++ b/index.html
@@ -131,6 +131,13 @@

                         var key = text.charAt(i);
                         if(/^[A-Za-z]$/.test(key)){
+                            if (/[A-Z]/.test(key)) {
+                                 var joined = app.COORDINATES["LSHIFT"].join(";");
+                                if(!temp[joined])
+                                    temp[joined] = 0;
+
+                                temp[joined] += 1;
+                   }
                             key = key.toUpperCase();
                         }
                         if(app.config.exclude && app.EXCLUDES.indexOf(key) == -1){