Easter: add standard waiting time on first interaction with the eggs

 * This fixes the problem that players could log off to circumvent the waiting time
Add FX_GETITEM particle effect
Easter fix: give a Green Apple for the first interaction with the eggs
Easter fix: play the FX_GETITEM particle effect whenever the player receives an object
Boss points: fixup on punctuation
Merge remote-tracking branch 'v0id/easter-fix' into test
Annual Easter: increase minimum level and add age requirement.

Update submodule pointer.