deleted some unnecessary things
Merge branch 'master' of https://github.com/mihayloff/PHP-Basics-Teamwork-Project-Team-Edinburgh
Merge branch 'master' of https://github.com/mihayloff/PHP-Basics-Teamwork-Project-Team-Edinburgh
Merge branch 'master' of https://github.com/mihayloff/PHP-Basics-Teamwork-Project-Team-Edinburgh
made some minor bug fixes. Added category validation in the new post screen