Remove incorrect usages of "is" operator from Python scripts.

Closes #128

Signed-off-by: Chris PeBenito <pebenito@ieee.org>

support/genhomedircon.py

@@ -46,10 +46,10 @@ EXCLUDE_LOGINS=["/sbin/nologin", "/bin/false"]
 
 # Python 2/3 wrapper
 def getstatusoutput_wrapper(cmd):
-    if sys.version_info.major is 2:
+    if sys.version_info.major == 2:
         import commands
         return commands.getstatusoutput(cmd)
-    elif sys.version_info.major is 3:
+    elif sys.version_info.major == 3:
         import subprocess
         return subprocess.getstatusoutput(cmd)
     else:

support/sedoctool.py

@@ -266,7 +266,7 @@ def format_html_desc(node):
 	desc_buf = ''
 	for desc in node.childNodes:
 		if desc.nodeName == "#text":
-			if desc.data is not '':
+			if desc.data:
 				if desc.parentNode.nodeName != "p":
 					desc_buf += "<p>" + desc.data + "</p>"
 				else: