* simplify get_channel_overview(...) by removing full group info * add build-timestamp to version/help message of CLI binary * simplify/unify group/channel/submatrix/localcolumn overview of CLI binary
* simplify get_channel_overview(...) by removing full group info * add build-timestamp to version/help message of CLI binary * simplify/unify group/channel/submatrix/localcolumn overview of CLI binary