There is a new command in the shell ('mv' - move/rename files).
Also, the shell code was refactored into its own directory (src/shell).
The 'help' command in the shell was updated and supports 'help <command>'.
There is a new BUILD_ADVANCED_SHELL build time macro that enables the
advanced shell features (currently 'cp' with recursion (and other improvements),
'mv' and 'rm').
- Main menu refactored to reduce info levels. Old "tutorials" are now part
of the "More Information" (which already contained tutorials) on eLua
Internals
- Shell help command adapted to rw filesystems addition (ls lists all files
of all filesystems)
- Minor order and name changes on main menu sub-items
- Minor refinements in some doc pages
