Manual: version history update and fixed some typos elsewhere
Manual: version history update and fixed some typos elsewhere

apache/incubator-freemarker,awils18/incubator-freemarker,awils18/incubator-freemarker,apache/incubator-freemarker,woonsan/incubator-freemarker,pradeepmurugesan/incubator-freemarker,woonsan/incubator-freemarker,pradeepmurugesan/incubator-freemarker