Better isolation; dylib health check
Add some libraries, mostly PIL deps
rake tidy
Drop old YAML file
Downgrade LCMS library to one usable by Pillow
Dep fix
Pyrun depends on libgcc
Patch Python to use Libedit and link internally.
Use local forks
Omnibus-ruby checks *.so, checklinks is irrelevant now.
Delete monkey-patches from omnibus.rb