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/scripts/Spells/spell_paladin.cpp

@@ -141,7 +141,7 @@ public:
             if (Unit* unitTarget = GetHitUnit())
             {
                 uint32 spell_id = 0;
-                switch(unitTarget->getClass())
+                switch (unitTarget->getClass())
                 {
                     case CLASS_DRUID:   spell_id = SPELL_BLESSING_OF_LOWER_CITY_DRUID; break;
                     case CLASS_PALADIN: spell_id = SPELL_BLESSING_OF_LOWER_CITY_PALADIN; break;