Merge pull request #114 from xTibor/book-updates

src/SUMMARY.md

src/contributing/best_practices/rusting_properly.md

...uting/direct_contributions/creating_proper_bug_reports.md

src/contributing/direct_contributions/github_issues.md

src/design/kernel/microkernels.md

src/design/programs_libraries.md

src/design/scheme/schemes.md

src/getting_started/compiling_redox.md

src/getting_started/exploring_redox.md

src/getting_started/preparing_the_build.md

src/introduction/about_this_book.md

src/introduction/why_free_software.md

src/introduction/why_redox.md

src/overview/community.md

src/overview/maintainers.md

src/overview/what_redox_is.md