removing the minification system entirely.

…will fish it out again if/when needed. Minification is problematic
because the objects become more difficult to inspect.
no need for the .gitignore file anymore
replacing the Rakefile with python file. Translation by Panagiotis Mavrogiorgos.
rebuild
avoiding multiple calls of @updateRendering in any Morph...

…by virtue of removing the @updateRendering invocation from inside the
constructor of the Morph base class.
adding some comments to the ColorPaletteMorph
rebuild and docs
I wasn't quite liking the mingling of buildSubmorphs and updateRendering: I simplified it
added more comments about what the "updateRendering" method does.
in the attempt of keeping Morph as an abstract interface, I created a RectangleMorph...

…so whenever the simplest rectangle is needed, one can just call
RectangleMorph.
now creating the docs is completely disjoint from creating the build
rebuild and docs
moved the python build script in the buildSystem directory
minor typo correction in info box
hoping to make touch events to work again. Maybe broken because of coffeescript's default return?
rebuild and docs
Merge pull request #120 from davidedc/master

aligning gh-pages with master