Switching mysql to mysqli functions.

MySQL is deprecated in PHP 5.5 : see http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php
Switching mysql to mysqli functions.

MySQL is deprecated in PHP 5.5 : see http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php
Adding a sql file to create tables & sample data in db
Adding install section

Adding install section
Added documentation to test with CURL, error_reporting switched to E_ERROR, destroy action
Merge remote-tracking branch 'origin/master'
Changing action keyword for delete according to Note.php
Adding destroy button action
Adding destroy button to the interface
Added documentation to test with CURL, error_reporting switched to E_ERROR, destroy action
Merge remote-tracking branch 'origin/master'
Merge pull request #1 from gautiermichelin/master

Switching from mysql to mysqli extension, logging in a text file the Notes.php functions