Keepalive for database connections
Adding jtar

From:
https://github.com/yellowant/jtar/commit/46a20204bcb3c16a94371f21f919c2717274cc61
Adding automated system bootup tests.
Changing GigiConfig Exchange format to tar.
Refactor "Email checker" (for testing purposes)
Database Manager
Adding a "commandline email provider" for testing.
Add a verify page.
Extend test to mbox verifications
Only permit login to verified users. Fix in "TestEmailProvider"
Test login with email verification.
Merge branch 'autotesting'

Conflicts:
	tests/org/cacert/gigi/pages/main/RegisterPageTest.java

Port config is in "test.properties"