empty documentation for graph and subgraph
allow to parse raw strings in SaltURIGroupSet
allow multi-line input in interactive ANNIS console (using the \ at the end of the line)
renaming SaltURIGrpupSet to MatchGroup and use Match internally, Match also now uses URIs as ID instead of strings
use Match as value for FEAT_MATCHEDIDS
removed unused class
use the new MatchGroup in the REST API
fix result fetcher to use MatchGroup instead if List<Match>
simplify MatchGroup
updating documentation for subgraph() and graph(), also renaming path for graph() from "graphs" to "graph"
ids are separated by space and not by comma
adding general REST API description page
Reorganize the subgraph API and document public query REST API