Add basic file manager
Sort nodes before displaying them in fileman
Remove unused code from fileman
Implement navigation in fileman
Clean up some formatting
Fix issues with navigating non-root directories
Rename applib to corelib
Rename core macro to corelib
Update makefiles to be more makey
Remove binaries for userspace programs
Refactor fileman and fix memory leak

This also changes the keybindings a little
Add file deletion to fileman
Move fileman drawing code into the same place
Implement scrolling in fileman
Fix issues with scrolling in fileman, add caret
Change fileman default directory back to /home
Update to kernel 0.6.0 and support KEXC
Pass files from fileman to corelib
Pass selected file to /bin/textview
Remove inc/ in favor of direct references