To-do

These are not prioritized.

Clarify licensing on all unclear works:
- CRlibm
- ~~libimobiledevice~~
- libroxml
- libRSVG
- Neon
- ~~pblSet~~
- SGLIB
- ZeroMQ
Incorporate Elementary OS stuff into list.
~~Clean up heading styles in document.~~
Check 'or later' clauses in all GPL and LGPL entries.
~~Check SourceForge links to ensure they're current.~~
~~Remove or migrate anything on Gulag Code to NAB to avoid it going poof.~~