Remove the unused IDescriptor interface.
add vt102 method on IConcept which was expected to be there, but not documented
Merge pull request #31 from glyph/remove-idescriptor

Remove the unused IDescriptor interface.
Merge pull request #32 from glyph/add-vt102-method

add vt102 method on IConcept which was expected to be there
Merge pull request #33 from glyph/remove-thing-search

Remove Thing.search
Merge remote-tracking branch 'origin/master' into containment-is-broken