colorscheme graceful degradation

.vimrc

@@ -76,7 +76,11 @@ if &t_Co > 2 || has("gui_running")
   syntax on                         " turns on syntax highlighting
   set hlsearch                      " highlights the last searched pattern.
   set t_Co=256                      " enable 256 color mode
-  colorscheme jellybeans
+  try
+    colorscheme jellybeans
+  catch
+    silent! colorscheme delek
+  endtry
 endif
 
 if has("autocmd")

install.sh

@@ -28,3 +28,5 @@ done
 # setup Vundle
 echo "cloning Vundle"
 git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim
+echo "installing Vim plugins"
+vim +PluginInstall +qall