The "automatic cast" example fixed

It was not compilable
Merge pull request #81 from zencd/patch-1

The "automatic cast" example fixed
Changed instances of one to we (first person plural)
Minor grammar fix
Corrected: Parameters vs arguments
Merge pull request #82 from JetBrains/fixes

Small fixes
Clarify double-pronoun
Typo fix
Updated Twitter Tips
Merge pull request #84 from ronshapiro/patch-2

Typo fix
Merge pull request #83 from ronshapiro/patch-1

Clarify double-pronoun
Fix empty anchors rendering in PDF
Minor fixes
Merge pull request #85 from JetBrains/fixes

Minor fixes
Update Griffon to point directly to GitHub repo.
Update events.yml
Strange bit of text removed