Added core.content.lang service as language system

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
(New) Integrated language system

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
code rework

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Code rework

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
(New) Method debugSql() to get sql string interpolated with params.

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Moved app path creation to constructor and added language system
support.

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Code rework

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Changed to use seperated files for settings, config, permissions and
routes.

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>