[fix]tooltip-only-display-on-focus-or-unfouc
[db]add-question/answer/voting-table
[system]Merge tag 'v0.1' into v0.2-Question/Answer/Voting

v0.1-frameworking-and-login
[function]simple-question-entry-insertion
[function]answer-page-redirection-upon-creation
[funtion]add-answer-box-and-updating-database
[function]answer-showing-content
[function]voting-function
[function]voting-to-update-voting-tabe;
[function]voting-to-update-voting-table-only-when-new-voting
[function]best-answer-css
[function]updating-database-after-choosing-best-answer
[function]user-control-for-best-answer
[funtion]answer-sorting-by-number-of-votes
[db]add-comment-table
[db]comment-migration-file
[function]add-comment-to-database
[function]add-comment-content-population
under debug
[function]comment-showing-changes-immediately