DB: removed unnecessary init field from "users".
Changed default collation to "utf8i_general_ci".
Changed collation on tables needing 4 byte utf-8 support to "utf8mb4_general_ci".
Changed some name columns to BLOB.
Adjusted collation on VARCHAR columns where needed.
Added commit hash field to movies, releases, series and persons tables.
Removed sessions table from database due to changes in our Session implementation.
Merge origin/master