Revert "nixpkgs: remove tsocks"

torsocks and tsocks are not equivalent. torsocks needs a
tor proxy for DNS, tsocks do not.

This reverts commit 1ef6470f15fa16c8f72467d54605096806476859.

tsocks: adding myself as maintainer
srm: added package
enable bash autocomplete by default
Don't trust sinit snapshots to be stable