use better varnames [PEP8 says varnames such as l are way bad for maintability and high readability, comment the code, cleanup so it does not hide logic. thanks Yann for explaining the logic

when a child has awaiting events, draw parent with message icon and open chat with this child contact when we dubble click on parent

re-create the actions menu only when needed: when we popup it up, and only when one account has signed in or signed out