fix typo: 'maxiumum' to 'maximum' in Module 1 (freechipsproject#173)

Author: ImeshBalasuriya

1_intro_to_scala.ipynb

@@ -412,7 +412,7 @@
    "source": [
     "---\n",
     "# Scala Is an Object Oriented Language\n",
-    "Scala is object oriented, and it's important to understand a bit about this to take maxiumum advantage of both Scala and Chisel.  Note that, without a doubt, there is more than one way to describe all this.\n",
+    "Scala is object oriented, and it's important to understand a bit about this to take maximum advantage of both Scala and Chisel.  Note that, without a doubt, there is more than one way to describe all this.\n",
     "1. Variables are objects.\n",
     "1. Constants in the sense of *Scala's* `val` declarative are also objects.\n",
     "1. Even literal values are objects.\n",