task#5418 add poll result view
Merge pull request #57 from thaipt1012/task#5418

task#5418 add poll result view
fix unable to delete poll
Merge pull request #55 from cuongnv540/task#5420

fix unable to delete poll
Task #5423 Change poll index view
Merge pull request #58 from wataridori/task/5423

Task #5423 Change poll index view
Task#5434 get all poll that a user can see