Update vimrc. Swap font

- Drop indentLine for vim-indent-guides, as custom font
  character is messing with copying from Vim and is not so pretty
- Add vim-easy-align that can handle all alignment tasks you throw at it
- Revert font to non-DottedGuide Powerline patched version of Sauce Code

Signed-off-by: Aleksandrs Ļedovskis <aleksandrs@ledovskis.lv>