Updated framework, commented code and fixed some errors.

- Updated the search engine.
- Fixed the wrong position of the feed when is added.
- Splitted the Connections model in three files (connections, configuration and updater).
- Splitted the Rssreader controller in three files (rssreader, feeds and posts).
- Separated the Feed_to_user() function from Insert_feed().
- Moved the Logout function out of the Login controller.
- Translated the welcome text.
- Fixed the images resizing in handheld.css.
- Updated database file.
- Adapted to the PHP coding standards... (more or less)
- FINALLY the code is commented!!!
- Updated MVCious framework.
- Added a license file (Apache 2.0).