Fix Md style for API.
Fix Md style for projects API doc.
Fix grammar and spelling
Consistency, spelling and grammar
Merge pull request #7511 from jbrooksuk/api-docs

Consistency, spelling and grammar
Merge pull request #7510 from jbrooksuk/patch-1

Fix grammar and spelling
Merge pull request #7508 from cirosantilli/md-style-projects

Fix Md style for projects API doc.
Merge pull request #7509 from cirosantilli/fix-md-style-api

Fix Md style for API.
Add annotated tags.  Updating tag haml file and call to gitlab-shell.
Updating API for annotated tags.  Add tests for API.