Rated 5 out of 5 stars

Its been a bumpy couple of weeks without my google calendar but all is back to normal now. thanks to the Dev Philipp Kewisch, I know you had to update in order to keep up with google API changes, it was broken but now you fixed it.. thanks. and thanks to everybody else who helped get my calendar working again.
Linux Mint 17 Qiana, Thunderbird 31.2.0, Lightning 3.3.1
Awsome add on, will continue to use it as long as its supported.
and of course worth a donation :)
(no doubt there are still many bugs to iron out, but tottaly worth the bugs for this level of awsomeness)

This review is for a previous version of the add-on (1.0.2).