Remove execute permissions from source files
Add sub-make to build lwip ensuring it is not out of date and contains sane options.
Force add XTENSA_TOOLS_ROOT to search path in Makefile.
Add some useful targets in Makefile.
Add DHCP server support on ENC28J60.
Remove all out of date and unused files.
Add Symlink to lwip netif include directory.
Remove outdated lwip include directory and replace it with a symlink to reduce source bloat.
TO-DO: Remove need for symlinks and just point to the header directories instead by using a variable in the Makefile.
NOTE: Assumes dependencies are installed in the parent directory of the source, including libraries and build tools.