Squashed 'cgilite/' changes from 8f729b0..0591b08

0591b08 Bugfix: faulty email address check
e7fcaf2 json export function
e1c0b4b more consistent db2/json structure and jpath selector
0a8a851 get json values via jpath
b8a4246 read json data into recursive DB2 structure
6ab6900 more reliable include path

git-subtree-dir: cgilite
git-subtree-split: 0591b0842c75fd078d19e488f5e4a8d047052551