Update strings.xml
Merge pull request #527 from kv1dr/patch-2

Slovenian translation updated
Updated changelog
Update usage section
Moved help to the ActionBar
Added an help popup to main activity, moved the 'edit help' into it
Added a scrollbar to the help popup (main activity)
Added a frame for the filters + ability to hide them
Changed ALL into ANY
Restrict NfcAdapter
Server: check for empty restrictions
MD5 Android ID lower case
Server: add logging, change footer
Added comment
Remove duplicate boot receiver
Fixed SL strings.xml
Merge pull request #532 from tonymanou/ui_actionbar

Ui improvement : moved help into the action bar + ability to hide filters
1.9.4 beta
Add reference to pull request
Server: show fetches / app statistics