update hp2sm

* r3886
    - remove empty backup and update page
update hp-blob

* r3882
    Web-UI:
    - Everythink's async now.

* r3893
    Web-UI:
    - XBMC dialog did not show up after 'applying' of an update.
fix nginx configuration
    - fix disable accesslog
    - set client_max_body_size to fix file uploads for hp-backup
Update NEWS
Bump System-Image to 3.11.6

- Jump from 0.1.5 to 3.11.6 to keep smartphone Apps untouched
updated NEWS
add sysdetails helper

Add a sysdetails helper to collect some statistical information ...
Evaluating those information could help diggin after freeze
add maintainer
fix homepage/maintainer for system-image-update