Limiting how many post will be displayed at Display Content Block

Signed-off-by: Arthur Del Esposte <arthurmde@yahoo.com.br>
Signed-off-by: Gabriela Navarro <navarro1703@gmail.com>
Displaying events articles in Display Content Block

Signed-off-by: Arthur Del Esposte <arthurmde@yahoo.com.br>
Signed-off-by: Gabriela Navarro <navarro1703@gmail.com>
Organizing content by date.

Signed-off-by: Gabriela Navarro <navarro1703@gmail.com>
Signed-off-by: Arthur Del Esposte <arthurmde@yahoo.com.br>
Adding "Show blog picture" checkbox - Needed to be fix