Pipeline for remote VFX Studio

Developed pipeline for small remote VFX studio, featuring:
- minimalistic UI
- complex increment save system (with sub-versioning, and descriptions)
- dropbox integration with system variables
- compatible with Win, Mac, Linux paths
- rig publishing
- abc cacher
- env double-publishing: high_poly and low_poly
- updating all rigs to newest
- switching low_poly - high_poly env
- prev publish to "current" ensuring auto-updates for producers
- and many handy smaller tools for production