LPS-50909 move hardcoded width into CSS

Change it so that the user portrait takes 30% of the space.
LPS-50909 remove obsolete table attributes
LPS-50906 Copied from article_icons.jsp - show option to add children in the table
LPS-50906 no logic changes - show "Edit" button as first option
LPS-50926 folder may not exist
LPS-50929 use last version of markdown converter
LPS-50929 SF
LPS-50929 latest is 1.0.2 and not 1.0.3