Import official vimperator syntax hilighting
Ignore dirty submodules
listchars: use utf-8 chars
Move undodir to its own folder
Colorscheme: use xressources
Update vimpagerrc

- Hilight trailing whitespaces
- Use the same listchars as in vim
- Map F2 and F3 to change current filetype (diff/man)
- Activate smartcase
Vimpager: improve search

- search in case insenstive by default
- F4 to toggle hlsearch