Enhance - provision aastra 9133i (#2787)

provision aastra 9133i based phones (480i 480i CT, 9112i, 9133i)
leverage smarty include to common parts
have device_edit ignore 'include' folders
.htaccess's RewriteRule operates relative to it's dir so anchoring to ^provision is correct even for where fusion is on a sub folder

.htaccess

@@ -35,6 +35,9 @@ RewriteRule     ^provision/([A-Fa-f0-9]{12})-directory.xml$
 RewriteRule     ^.*/([0-9]{1,11})_Extern.xml$                                   app/provision/?ext=$1&file={$mac}_extern.xml [QSA]
 RewriteRule     ^.*/([0-9]{1,11})_Phonebook.xml$                                app/provision/?ext=$1&file={$mac}_phonebook.xml [QSA]
 
+#Aastra
+RewriteRule     ^provision/aastra.cfg$                                          app/provision/index.php?file=aastra.cfg [QSA]
+
 Options -Indexes
 
 #PHP settings