Merge tag 'v1.3' into develop

v1.3

* tag 'v1.3':
Merge tag 'v1.3.1' into develop

v1.3.1

* tag 'v1.3.1':
  Add presentation description
Add email into event list
Merge branch 'release/v1.4'

* release/v1.4:
  Add email into event list