fixing problems with delete not keeping the range in a text area

Changes

--- clientSide/codeEdit/script/hotkey.js 5281be38bad58af729183abff470ce6a30f6dc23

+++ clientSide/codeEdit/script/hotkey.js cbd2abb4f55966a515b994260a5992a07b50a1d5

@@ -151,6 +151,17 @@

+  alert(currentTextNode);

+  

+  //make sure that the selected element is a valid text element

+  var parent = document.getElementById("codeDoc");

+  alert(parent);

+  if (currentTextNode == parent) {

+    currentTextNode = parent.childNodes[currentIndex];

+    currentIndex = currentTextnode.nodeValue.length-1;

+  }

+  

+  alert(currentTextNode);