Increasing libvarnishapi.so version from 1.0.6 to 2.0.0
Increasing libvarnishapi.so version from 1.0.6 to 2.0.0

Fixes: libvarnishapi needs soname bump #2710

Should be backported to branches: 5.0, 5.1, 5.2, 6.0

gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache