Added node management files

Currently not implemented
Node defines and files. Update project to include

Updated project to include NODEMGMT folder (and files).  Added include
to node_mgmt.h to mooltipass.c.  Added  include in node_mgmt.c.  Added
defines for Node Mgmt / flash page mapping.  Updated defines per flash
for map bytes required.
flash_mem and flash_test code formatting

flash_mem and flash_test code formatting
Merge pull request #31 from mikeneiderhauser/master

Setup for node mgmt.  Code formatting