[TYPO3-hci] Saving default main and submodules into cookie

[Tapio Markula]

Bernd Wilke
> Why not storing this data in the BE-user-data (serialized)?

I tried to store both into database and cookies. If
used primary BE-user-data (serialized),
randomly the older information was fetched and it cause some minor error 
behavior to the functionality of the menu. Functionality was
in overall a little bit less stable. This might relate with my
computer, which doesn't have very much memory (seems to be some memory 
flaws). Saving information with every click into database cause at least 
much more database access.