Fix a few minor issues in the Getting started document
Update intro_dynamic_inventory.rst

Minor fixes, style and typos
Update intro_adhoc.rst

Update link texts (hopefully got those correct from Sphinx documentation) and remove section on Limiting hosts as that's covered elsewhere
Move info on limit from the ad hoc command page to the pattern page
Update intro_configuration.rst

Minor RST fixes
Tiny RST link fix in modules documentation
Delete extra word in index.rst
Merge pull request #4607 and fix merge conflicts for documentation fixes.