Cosmetic: Multiple cosmetic changes

- Added missing space to 'if', 'for', 'while' and 'switch' when it's followed by '('
- Added missing space after a comma and remove space before comma (with some exceptions)
- Remove trailing spaces
- Convert tab to spaces

Note: Only affects files with extension "cpp" and "h" under /src/server

src/server/game/Mails/Mail.cpp

@@ -29,7 +29,7 @@
 
 MailSender::MailSender(Object* sender, MailStationery stationery) : m_stationery(stationery)
 {
-    switch(sender->GetTypeId())
+    switch (sender->GetTypeId())
     {
         case TYPEID_UNIT:
             m_messageType = MAIL_CREATURE;