Moving preview to misc bundle group

Author: spf13

.vimrc

@@ -69,7 +69,6 @@
             Bundle 'tpope/vim-surround'
             Bundle 'AutoClose'
             Bundle 'kien/ctrlp.vim'
-            Bundle 'spf13/vim-preview'
             Bundle 'vim-scripts/sessionman.vim'
             Bundle 'matchit.zip'
             Bundle 'Lokaltog/vim-powerline'
@@ -127,6 +126,7 @@
     " Misc
         if count(g:spf13_bundle_groups, 'misc')
             Bundle 'spf13/vim-markdown'
+            Bundle 'spf13/vim-preview'
             Bundle 'tpope/vim-cucumber'
             Bundle 'Puppet-Syntax-Highlighting'
         endif