add deployBefore and deployAfter events. Closes #509
Generate absolute link for include_code
Merge pull request #519 from floriancargoet/patch-2

Generate absolute link for include_code
Merge pull request #510 from sergiolepore/add/deploy-events

add deployBefore and deployAfter events. Closes #509
Merge branch 'master' into dev
Add comments about deployBefore and deployAfter events