Bug Fix

Fixed following bugs and added few features

Some language strings are missing. And other... #192
view file is insecure #187
Get files size (recursive) #186
There is no possibility for translation for some hints (title =) #185
View dirSize instead of word "Folder" #184
Document type detection #183
Stored Cross-site Scripting (XSS) Vulnerability detected in File Names #180
strings in code #177
Remove tracking #164