switched folder from concepts to tutorials, to not break the links
Merge branch 'master' of https://github.com/respoke/docs into feature/article-fixes
merged up master and fixed markdown issues in rest api page
content fixes and removing old file
removed unstylish title
list apollo as example app
wrapping the sidebar in a sidebar
Shell files should have 4 spaces too
replace tokens.sh and session-tokens.sh with endpoint-authentication.sh to fix token timeout

This also contains a fix that allows for unique a enpointId and unique
role name/ID on every run of the examples.
Actually, let us not make the endpointId so random at this time
Another typo in the curl command for sh examples
add support of admin and app tokens to example runner
allow configuration of baseURL in the example runner
ignore even more example-config files