Remove jekyll header from readme

It confuses Slate
Merge pull request #2405 from bootstraponline/1.0-beta

Remove jekyll header from readme
All internal links require a file name
Merge pull request #2407 from bootstraponline/1.0-beta

All internal links require a file name
Run appium_doc_lint on Travis CI
Use relative links in the readme
Fixing dotnet example
typo
Merge pull request #2410 from bootstraponline/1.0-beta

Run appium_doc_lint on Travis CI
Fix links
Merge pull request #2415 from bootstraponline/1.0-beta

Fix links
Fix getting started link
Merge pull request #2417 from bootstraponline/1.0-beta

Fix getting started link
Fix real devices link
Fix docs/cn/ links
Merge pull request #2418 from bootstraponline/1.0-beta

Fix doc links
Fix code links
Merge pull request #2420 from bootstraponline/1.0-beta

Fix code links
Fix readme for Slate

Quotes go in the code section
Fix more broken links