Graph getPath interface

Always fails for now
preparing for path finding

But I think floyd warshall is a bullshit for large data.
Basic path finding in graph

Inefficient but working I think
Remove senseless README
Digitalized todays Ondrej's notes on documentation. Some already taken care of
Added MoM documentation notes
DOC DB added default values to properties
Merge remote-tracking branch 'origin/server-impl'
Merge remote-tracking branch 'origin/db-hibernate2' into server-impl
Integrated new pathfinding into service layer.