remove define.inc.php
fix bug #225: blank page on article page
upgrading themes
unactivate debug
bug fix #229: theme not stored on updated poches
change import files constants
Changed url's encryption from base64 to md5

Fixes Issue #243.
md5 hashes are only coded on 32 hexadecimal characters, so it won't make
too long file names.
Avoid ".git" option in themes list of config page
Changed Flattr Caching System

From md5(url) to the ID of an article. Easier and faster.
Merge pull request #245 from NumEricR/themes-list

Avoid ".git" option in themes list of config page
Add .htaccess file to force download of poche export
Merge pull request #250 from NumEricR/dl-export

Force download on poche export
site_config is now embedded with poche
change submodule & gitignore
remove themes
embed themes with poche
remove themes
embed themes
change reading time displaying
change instructions messages