[vim] updated vim solarized README install instructions

README.md

@@ -12,15 +12,43 @@ github][vim-solarized-github], or the [vim.org script page][vimorg-script] see
 the link above to the Solarized homepage or
 visit the [github repository for Solarized][solarized-github].
 
-[solarized]: http://ethanschoonover.com/solarized
-[solarized-github]: https://github.com/altercation/solarized
+[solarized]:            http://ethanschoonover.com/solarized
+[solarized-github]:     https://github.com/altercation/solarized
 [vim-solarized-github]: https://github.com/altercation/vim-colors-solarized
-[vimorg-script]: http://vim.org/script
+[vimorg-script]:        http://vim.org/script
+[pathogen]:             https://github.com/tpope/vim-pathogen
 
 Installation
 ------------
 
-Put the following two lines in your vimrc:
+### Option 1: Manual installation
+
+1.  Put the files in the right place!
+
+2.  Move `solarized.vim` to your `.vim/colors` directory.
+
+### Option 2: Pathogen installation ***(recommended)***
+
+1.  Download and install Tim Pope's [Pathogen].
+
+2.  Next, move or clone the `vim-colors-solarized` directory so that it is 
+    a subdirectory of the `.vim/bundle` directory.
+
+    a. **Clone:** 
+
+            $ cd ~/.vim/bundle
+            $ git clone git://github.com/altercation/vim-colors-solarized.git
+
+    b. **Move:**
+
+        In the parent directory of vim-colors-solarized:
+        
+            $ mv vim-colors-solarized ~/.vim/bundle/
+
+### Modify .vimrc
+
+After either Option 1 or Option 2 above, put the following two lines in your 
+.vimrc:
 
   set background=dark
   colorscheme solarized
@@ -36,7 +64,12 @@ select either the light or dark background.
 Advanced Configuration
 ----------------------
 
-**IMPORTANT NOTE FOR TERMINAL USERS**
+Solarized will work out of the box with just the two lines specified above.
+
+
+
+### **IMPORTANT NOTE FOR TERMINAL USERS**
+
 If you are running vim in a terminal, Solarized will run in 256 color mode if 
 the terminal supports it, but those 256 colors are (in all 256 color terminal 
 emulators) limited to a "degraded" color palette.  While the colors will all 
@@ -60,7 +93,6 @@ GUI section and testing in gvim (or mvim) you can rapidly prototype new
 colorschemes without diving into the weeds of line-item editing each syntax 
 highlight declaration.
 
-
 License
 -------
 Copyright (c) 2011 Ethan Schoonover