Fixed Issue #46 (#48)

* added functionality to format youtube video url to embedable format

* made video url optional

* switched image upload location from cloudinary to digital ocean spaces

* added functionality to automatically delete image from digitalocean space once image is deleted from db

* added image count indicator and made video optional. also added project create button to navbar

* removed .ssl from git

* untracked .ssl-data

* added support for various forms of youtube video url, vimeo and google drive

* fixed issues #35, #33, #32, #30, #29

* fixed issue #46