Sort indentation-alist and add puppet to it.

Close #23.

Squashed commit of the following:

commit a727a4c
Author: Ed Singleton <ed.singleton@thisisglobal.com>
Date:   Mon Jan 12 17:37:52 2015 +0000

    Typo fix

commit 75b51a9
Author: Ed Singleton <ed.singleton@thisisglobal.com>
Date:   Fri Jan 9 11:02:39 2015 +0000

    Added puppet to indentation-alist

commit e2d314b
Author: Ed Singleton <ed.singleton@thisisglobal.com>
Date:   Fri Jan 9 11:01:00 2015 +0000

    Sorted indentation-alist

editorconfig.el

@@ -72,44 +72,45 @@ property emacs_linum to decide whether to show line numbers on the left
   :group 'editorconfig)
 
 (defcustom edconf-indentation-alist
-  '((emacs-lisp-mode lisp-indent-offset)
-    (lisp-mode lisp-indent-offset)
-    (c-mode c-basic-offset)
+  '((awk-mode c-basic-offset)
     (c++-mode c-basic-offset)
-    (objc-mode c-basic-offset)
-    (java-mode c-basic-offset)
-    (idl-mode c-basic-offset)
-    (pike-mode c-basic-offset)
-    (awk-mode c-basic-offset)
+    (c-mode c-basic-offset)
     (cmake-mode cmake-tab-width)
     (coffee-mode coffee-tab-width)
     (cperl-mode cperl-indent-level)
     (css-mode css-indent-offset)
+    (emacs-lisp-mode lisp-indent-offset)
+    (erlang-mode erlang-indent-level)
+    (groovy-mode c-basic-offset)
     (haskell-mode haskell-indent-spaces
                   haskell-indent-offset
                   shm-indent-spaces)
+    (idl-mode c-basic-offset)
+    (java-mode c-basic-offset)
     (js-mode js-indent-level)
-    (json-mode js-indent-level)
     (js2-mode js2-basic-offset)
     (js3-mode js3-indent-level)
+    (json-mode js-indent-level)
+    (latex-mode . edconf-set-indentation/latex-mode)
+    (lisp-mode lisp-indent-offset)
+    (livescript-mode livescript-tab-width)
+    (mustache-mode mustache-basic-offset)
+    (nxml-mode nxml-child-indent (nxml-attribute-indent . 2))
+    (objc-mode c-basic-offset)
     (perl-mode perl-indent-level)
+    (pike-mode c-basic-offset)
+    (puppet-mode puppet-indent-level)
     (python-mode . edconf-set-indentation/python-mode)
     (ruby-mode ruby-indent-level)
-    (sh-mode sh-basic-offset sh-indentation)
-    (nxml-mode nxml-child-indent (nxml-attribute-indent . 2))
-    (sgml-mode sgml-basic-offset)
-    (livescript-mode livescript-tab-width)
-    (mustache-mode mustache-basic-offset)
     (scala-mode scala-indent:step)
-    (groovy-mode c-basic-offset)
-    (latex-mode . edconf-set-indentation/latex-mode)
+    (sgml-mode sgml-basic-offset)
+    (sh-mode sh-basic-offset sh-indentation)
     (web-mode (web-mode-indent-style . (lambda (size) 2))
               web-mode-markup-indent-offset
               web-mode-css-indent-offset
               web-mode-code-indent-offset
               web-mode-script-padding
-              web-mode-style-padding)
-    (erlang-mode erlang-indent-level))
+              web-mode-style-padding))
   "Alist of indentation setting methods by modes.
 
 Each element looks like (MODE . FUNCTION) or (MODE . INDENT-SPEC-LIST).