When users run commands with a debug build, they see a warning that
debug builds may have worse performance. Add instructions to BUILDING.md
so that users who wish to install from source know how to get a release
build.
I tested the command locally and ran `container --version` to verify
that I got a release build.
If they're just pulling containerization, suggest following build env
setup directions from containerization repo so they get a cross-platform
SDK setup.
- Extract README sections into BUILDING and CONTRIBUTING documents. This
should work better than sections in README as it keeps the README short,
and the BUILDING and CONTRIBUTING files will stand out in the file list.
- Merged localdev document into BUILDING.
- Fixed broken links.
- Changed DNS setup so later DNS-dependent steps should work.
- Added h1 and link to SECURITY document.
Jacob Ford