rename category to group

Update composer dependencies 

* jards/eventsapiclient to 3.4
* jards/gcsjardsapiclient to 2.3

Update composer dependencies and rest api clients

Add output parameter in event sending for getting exception details

Update to new events api client version 3.2

Use new events api client

Remove .htaccess file

Update gcsjardsapiclient with POST function

Add timeout option to send event function

Allow to send event objects

Update underlying libraries, more test

Switch to use of gitlab instead of github

Add certificate support

Bug fix autoloading when used as library

First setup for events API