added QuestionHelper
added login validator and edited its css
added sha1 and salt to user table
added myLoginValidator and added security.yml
added User Session methods
created question recent
added recent template and GlobalHelper
created answer module
created answer recent
made many changes to refactor answer
added user show
added component slot
changed meta title and so on
finished sidebar
Merge pull request #4 from cmasad/day6

Day6