Updated application_helper

Defined find_team_name properly
Revert "Added basic team-show page"

This reverts commit 3de0b48a086b0294b90bd3c0157a4ab4274fb009.
Revert "Updated application_helper"

This reverts commit 106355cb59b181b6e0988be6a8c8e6b13f1d9cad.