stash
encode web assets into C++
Got static web assets to work
python 3 compatible weba ssets script
Added web_assets.hpp
Fix web assets dependencies in makefile
use map::find instead of map::at
Use std::string for static_web_assets
Add missing dependency on web_assets.o to rethinkdb-unittest
Merge branch atnnn/web into next

Review 2203 by @tryneus
Closes #1093
Merge branch 'next' into sam_2134_iii
Made compile-web-assets.py not use python3 specifically.