Update the bindings INSTALL document to note check-swig-py make target.
Update the bindings INSTALL document to note check-swig-py make
target.

Patch by: Bhuvaneswaran Arumugam <bhuvan@collab.net>
(Tweaked by cmpilato.)

* subversion/bindings/swig/INSTALL:
  Update the document to include the "make check-swig-py" command to
  test python bindings and quote the commands where it was missing.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion