MediaCMS

Fixes

• Fix admin user creation, by @masavini (#472)
• remove zombie thumbnails, by @masavini (#657)
• enable cors for media dir, by @mgogoulos (#701)
• fix issue with uninitialized video player, by @mgogoulos

Features

• Show comments in the Timebar, by @MrPercheul (#442)
• Add meta description tag for search engines, by @KyleMaas (#551)
• add api path to LOGIN_REQUIRED_IGNORE_PATHS, by @masavini (#483)
• How to modify encode profiles, by @Micrufun (#682)
• update versions for pre-commit, by @mgogoulos (#741)
• removed lgtm badges on README, by @mgogoulos