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/Spells/Spell.h

@@ -723,7 +723,7 @@ namespace Trinity
                         break;
                 }
 
-                switch(i_push_type)
+                switch (i_push_type)
                 {
                     case PUSH_SRC_CENTER:
                     case PUSH_DST_CENTER: