Increase max tab number to 30.
Merge branch 'master' of http://github.com/vphilippon/dotfiles

* 'master' of http://github.com/vphilippon/dotfiles:
  Remove temp push default fix
  Haskell config for vim an ghci.
  Update README.md
  Create .ghci
  Create haskell.vim
  Update README.md
  Update README.md
Haskell settings