Add ability to fall back to local database if connection to core fails.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Add UPDATE-README

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Merge pull request #19 from Acidity/feature/coreLogin

Add ability to fall back to local database if connection to core fails.