Stop calling setup.py from make test. Fixes bug 1220965.
Stop calling setup.py from make test. Fixes bug 1220965.

Now that the makefile is responsible for installing not only the dependencies but dxr itself, we can know that everything is set up before attempting to run the tests, not needing setuptools to do it for us.

pelmers/dxr,pelmers/dxr,jbradberry/dxr,jbradberry/dxr,pelmers/dxr,pelmers/dxr,kleintom/dxr,jbradberry/dxr,pombredanne/dxr,pombredanne/dxr,pombredanne/dxr,kleintom/dxr,kleintom/dxr,jbradberry/dxr,kleintom/dxr,pelmers/dxr,jay-z007/dxr,kleintom/dxr,kleintom/dxr,jay-z007/dxr,jay-z007/dxr,jay-z007/dxr,kleintom/dxr,pombredanne/dxr,pombredanne/dxr,pelmers/dxr,jay-z007/dxr,jbradberry/dxr,jbradberry/dxr,jay-z007/dxr,jbradberry/dxr,pombredanne/dxr,pelmers/dxr,jay-z007/dxr,pombredanne/dxr