Few inconsistencies in the install files

Signed-off-by: emanuele <emanuele45@gmail.com>
GRUOP BY breaks postgreSQL

Signed-off-by: emanuele <emanuele45@gmail.com>
id_group cannot be unsigned...

Signed-off-by: emanuele <emanuele45@gmail.com>
rtl support for sceditor

Signed-off-by: emanuele <emanuele45@gmail.com>
Swap shortcuts in rtl

Signed-off-by: emanuele <emanuele45@gmail.com>
A couple of tweaks to the install page - needs more work in the future

Signed-off-by: emanuele <emanuele45@gmail.com>
Properly fix the GROUP BY in sendNotifications to restore multi-topics support - fixes #1696

Signed-off-by: emanuele <emanuele45@gmail.com>
Merge pull request #1672 from emanuele45/install

Few inconsistencies in the install files