Removed TI licensed files
Added lwip/stats.h to lwip port

For compilation w/o lwiplib
Include c99 types in tivaif.h
Rebase lwipopts.h off of opts.h, because
Example is IT licensed
Added FreeRTOS to makefiles
Commited startup_gcc files

Derived from BSD licensed project files
removed pinout.h which has restrictive TI license
Changed makefile to explicitly list project files.
Added FreeRTOS config & abstracted hardware

Seperated hardware-specific functions to hal.c
Updated LWIP Port for FreeRTOS 8
FreeRTOS config changes
Enable use of LWIP Socket API
Added FreeRTOS ISR hooks to interrupt vector table
Updated makefiles to include generated dependencies
Removed TI licensed pinout.c
Moved LWIP port for tiva to subdirectory of deps
LWIP stack working w/ FreeRTOS
Updated gitignore and cleanup