doc: update doc
fix quoting
NzConfigRoutines: add correct permissions for tt-rss
packages: add scanlogd for reference (disabled)
doc: add note about WEP/WPA security
webapps, shaarli: re-add shaarli manifest, add shaarli install script, move addtions to webapps/shaarli/
webapps: install now has an install function. comment everything else.
scripts, webapps: move _NzInstallWebapp() to NzMenuApache2, add a temporary install user interface, fix wrong comment marks.
scripts, homepage: fix variable name in _NzRegenHomepage()
webapps: remove obsolete tt-rss config.php