Added parent & neighbors to ext. key search
Added parent & neighbors to ext. key search

Modified the ojnipap API function searchPrefixExtKey to include
neighboring and closest parent prefixes.

fredsod/NIPAP,plajjan/NIPAP,fredsod/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,fredsod/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,ettrig/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,fredsod/NIPAP,ettrig/NIPAP,garberg/NIPAP,bbaja42/NIPAP