Deactivated purple color

webOS will select some random color for each new
calendar now. User can specify color by himself.
Setting calendar to read only if upsync is disabled

Issue with that will be for accounts where upsync is
enabled later. Solution would be to delete everything and
downsync again.
Is a good idea anyway, because webOS tends to do stupid
stuff if upsync gets enabled later... ;)
trying to solve some encoding issues

Not sure where they come from, yet...
maybe it's an issue on the server side...?
Trying to solve on server issues with wrong e-mail in attendee.
Minor logging changes.