for codeblockreusefeature, use MySQL host from general config

Tst/codeblockreusefeature/codeblockreusefeature.cfg

@@ -24,7 +24,7 @@ threadname = True
 [codereuse-preferences]
 main-window-height = 791
 main-window-width = 612
-paned-position-search = 406
-paned-position-command-code = 105
+paned-position-search = 309
+paned-position-command-code = 162
 paned-position-comment = 462
 

Tst/codeblockreusefeature/db_schema.py

@@ -10,8 +10,9 @@ cfg = confignator.get_config()
 
 user = cfg.get('database', 'user')
 pw = cfg.get('database', 'password')
+host = cfg.get('database', 'host')
 
-mysql_connection_string = 'mysql://{}:{}@localhost'.format(user, pw)
+mysql_connection_string = 'mysql://{}:{}@{}'.format(user, pw, host)
 schema_name = 'tst'