update files
* common.class.php
* config.class.php
* table.php
* widgets.class.php
update widgets calendar
* update style.css
* update view.tpl
update lang.fr
update file users.class.php
update file function.php
+ add function convert_size
+ add function return_bytes
+ add function max_upload_file
+ add function scan_directory
Add file fonts
+ ionicons.eot
+ ionicons.svg
+ ionicons.ttf
+ ionicons.woff