patch changes & fixes from master branch

remove VERSION file
update rules
add 33 migration
add get_version_for_release.sh script
update schema
add use_character_sample_skills

config.php

@@ -164,6 +164,8 @@ $config = array(
 		4 => 'Knight Sample'
 	),
 
+	'use_character_sample_skills' => false,
+
 	// it must show limited number of players after using search in character page
 	'characters_search_limit' => 15,