Remove conflict markers in README, and add mailing-list link to both READMEs. Noticed by stsp

This commit modifies the GoT main branch to be able to compile it under linux.

Fix some typos. From Christian "naddy" Weisgerber

Add a .github/README.md file so that the read-only clone of GoT on Github, which is used for CI purposes, explains the project. Also, update the README.portable vesion to patch.

This commit introduces the 'make tests' target which will run the cmdline/* tests.

This adds a 'autogen.sh' wrapper script for generating configure. README.portable is also updated accordingly.

This commit modifies the GoT main branch to be able to compile it under linux.