Fix default config file, default backend to local
Fix default config file, default backend to local

Default backend was set to LDAP which most installations probably won't
use. At least it's not a sane default to get going quickly. Default is
now SQLite.

Also switch tab to spaces and add comments for a few more variables.

Fixes #175

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