Added new option, 'enable_inter_user_image_upload'
Fixed namespace autoloading
Updated entities
Checked if user entity class implement HtProfileImage\Entity\UserGenderInterface
Added a note that user entity must implement HtProfileImage\Entity\UserGenderInterface
Updates
Applied PHP-CS-Fixer
Merge pull request #15 from hrevert/inter-user

Added ability to allow/disallow one user to upload other user's image