Hack fix for searchview filter leaking to the other thread pane.

Until this get properly done, just close the view as soon as the panel slides.
It appears SearchView + SlidingPaneLayout is a bit troublesome.
Move post parsing into a seperate class.
Remove loadable from post.finish
Decreased volley cache site, reduce startup time.

The startup time needs to be fixed another time.
Fix filename filtering
Android seems to think different about the \w regex flag.
Also prevent empty names by replacing it with an underscore intead of a space.
Add license for android-gif-drawable
licences.html -> licenses.html
Update volley
Update subsample-scale-image-view
Update the json readers.
Proper exceptions
Fixed boardsreader throwing an exception instead of just skiping the key, if the key was not "boards"
Add <strong> and fortune support
Fix posts out of order, and posts staying with a trashcan.
Check deleted only on threads
Disable out-of-order fix
Proper 404 handling
Added file deleted image.