Avoided the use of global variables by directly accessing super global variables.
PMA_getHtmlForConfirmPage method added to sql.lib.php to create html for the confirm page.
space added before elseif
code for displaying confirm page removed.
PMA_isDropDatabase($sql_query) method added to sqlparser.lib.php
$_POST['fields'][...] variables renamed such that they better reflect their intended purpose
bookmark.lib.php corrected to use the new variable names in $_POST['bkm_fields'][..]
error corrected
Merge pull request #415 from scnakandala/gsoc_2013

Refactoring SQL executor