Merge pull request #569 from npostavs/doc-obsolete

README fixes, mark yas-initialize as obsolete

README.mdown

@@ -41,18 +41,7 @@ In a recent emacs `M-x list-packages` is the recommended way to list and install
 ## Install with el-get
 
 El-get is a nice way to get the most recent version, too. See
-https://github.com/dimitri/el-get for instructions. Be sure to install the
-"master" branch since the 3.x series still use the old googlecode code, base.
-Consider using this "local" recipe.
-
-    (push '(:name yasnippet
-                  :website "https://github.com/capitaomorte/yasnippet.git"
-                  :description "YASnippet is a template system for Emacs."
-                  :type github
-                  :pkgname "capitaomorte/yasnippet"
-                  :features "yasnippet"
-                  :compile "yasnippet.el")
-          el-get-sources)
+https://github.com/dimitri/el-get for instructions.
 
 ## Use `yas-minor-mode` on a per-buffer basis
 
@@ -60,9 +49,7 @@ To use YASnippet as a non-global minor mode, replace `(yas-global-mode 1)` with
 `(yas-reload-all)` to load the snippet tables. Then add a call to
 `(yas-minor-mode)` to the major-modes where you to enable YASnippet.
 
-    (add-hook 'prog-mode-hook
-              '(lambda ()
-                 (yas-minor-mode)))
+    (add-hook 'prog-mode-hook #'yas-minor-mode)
 
 # Where are the snippets?
 

yasnippet.el

@@ -4434,6 +4434,7 @@ and return the directory.  Return nil if not found."
 
 (defun yas-initialize ()
   "For backward compatibility, enable `yas-minor-mode' globally."
+  (declare (obsolete "Use (yas-global-mode 1) instead." "0.8"))
   (yas-global-mode 1))
 
 (defvar yas--backported-syms '(;; `defcustom's