Remove the empty directories from the repo.
New installer.

The new installer supports:

- Specify source & destination with cli options.
- Replace or install into existing config.
- Easier colors
- Verbose output
- Disable bytecompilation of prelude.
- Help output
Fixed bytecompilation.
Merge pull request #187 from fbs/new-installer

New/improved installer
Fixed bugs in the installer:

- Bytecompilation run twice
- Bash style string concat that doesn't work with sh.
- Default path was \$HOME instead of the users homedir ('' vs "").
Removed the savefile dir.
Don't hide the output of `mkdir`.
Check if prelude is installed before anything else.
Remove the broken usage message.
Merge pull request #189 from fbs/new-installer

Installer updates.
restored accidentally deleted dirs
Change .gitignore to include the savefile dir instead of the savefiles dir
Merge pull request #190 from Abizern/patch-1

Change .gitignore to include the savefile dir instead of the savefiles d...
create the savefile dir automatically if needed
typo tweak
Merge pull request #193 from vinbarnes/patch-1

typo tweak
fixed an auto-install bug
Use forward-line instead of next-/previous-line.
Merge pull request #203 from bronislav/interactive-use-only-warnings

Use forward-line instead of next-/previous-line.
unified the README and the project page