Merge branch 'mromberg-relative'

* mromberg-relative:
  Python: Do not import all of sys when using -relativeimport
  Add missing print statements to the Python import_packages tests
  Update -relative import documentation to reflect runtime check.
  > to >=
  Make the check for python3 -relative does python runtime check.

Examples/python/import_packages/namespace_pkg/runme.py

@@ -1,8 +1,17 @@
 # These examples rely on namespace packages.  Don't
 # run them for old python interpreters.
 import sys
+import os.path
+
+testname = os.path.basename(os.path.dirname(os.path.abspath(__file__)))
+print "Testing " + testname + " - namespace packages"
+
 if sys.version_info < (3, 3, 0):
+    print "  Not importing nstest as Python version is < 3.3"
     sys.exit(0)
 
 import nstest
+
+print "  Finished importing nstest"
+
 nstest.main()

Examples/python/import_packages/split_modules/vanilla/runme.py

@@ -1,3 +1,10 @@
+import os.path
+
+testname = os.path.basename(os.path.dirname(os.path.abspath(__file__)))
+print "Testing " + testname + " - split modules"
+
 import pkg1.foo
 
+print "  Finished importing pkg1.foo"
+
 assert(pkg1.foo.count() == 3)

Examples/python/import_packages/split_modules/vanilla_split/runme.py

@@ -1,3 +1,10 @@
+import os.path
+
+testname = os.path.basename(os.path.dirname(os.path.abspath(__file__)))
+print "Testing " + testname + " - split modules"
+
 import pkg1.foo
 
+print "  Finished importing pkg1.foo"
+
 assert(pkg1.foo.count() == 3)