Merge branches 'form' and 'master' of https://github.com/makemek/cms
Encapsulate thumbnail access
Mark required field
move navigation to header layout
include some comments
create new page manage_content.php
Create page with_branch.php
Display table
Fix issue of storing thai characters in the database
Fix store value 0 in empty in db of empty numeric field when it should be null
Deal with empty numeric fields
Move FLOOR1 and FLOOR2 field to with_branch.php because of moving these column from branch to tenant_branch makes much more sense
Fix issues of default value in form class
Add method to set value in individual element in form
Add more tables
Add method get_field in Form class
When add new privilege or tenant. After submit will be redirected to with_branch.php
Display branch table on load with_branch.php
Fix undefined default values
Fix default enum values to null