specfile into the date, time and dataTime datatypes in XSD

even if module_name is specified or module_name and item_name are specified in arguments

nonexistent item name)

name or item name is incorrect

create a new exception StatsHttpdDataError which is an exception due
to the data specified to the stats daemon

 - change the relative path to the absolute path because in the case of the
   relative path refering to the other item is failed

 - The too long path is to be NotFound

 - change the condition of addition of anchor tag if depth levels of path are
   equal to or greater than 3, do not add the anchor tag.

the xsl:for-each tag)

- set minOccurs "0" if item_optional is True

- prepare table tag before going through list-type item

- use item_title instead of item_name if item_title is set

each item in XSL

This reverts commit a458d69d94b2a7506395e7a24e5c2a9146791553.

purposes

whether IPv6 is enabled or not

 - exclude the setup of handler in SIGALRM and add it as an external
   function in the SignalHandler class in test_utils.py

 - define the function in that class to reset the handler in
   test_utils.py, and add it in tearDown() in each testcase

 - The function get_availaddr uses socket.getaddrinfo for getting the
   address family.

 - The function is_ipv6_enabled uses 3 random ports for checking
   whether IPv6 is enabled.

then send the command 'shutdown', and also check each value returned
by each invoked command

b10-stats_test.py

 - The stats httpd doesn't need to return an argument when it's
   shutting down.

 - The testcase sends the 'status' command or the 'shutdown' command
   to the stats or the stats httpd when they started, and then their
   returned values are checked.

  - remove a logging name from unittest

  - do stats_httpd.stop() in teadDown() instead of each test case

  - send 'shutdown' command to kill stats_httpd when testing address
    already in use

buildbot. (unittest.main() with verbosity option is not supported
in Python3.1.)

test_utils.py

 - more strictly close the io object whether it's successfully opened
   or not

 - add verbosity=2 in unittest.main for debugging the failure in the
   buildbot

 - don't redict sys.stderr in MockMsgq

 - rename the function name to create_specfile

 - switch the verbose in Msgq into True

 - A hostname (canonical name of host) is not acceptable in listen_on
   configuration.

 - A default port number(starting number for search) is added in args
   of the function get_availaddr.

 - add function get_availaddr to get available address and port on the
   platform

 - add function is_ipv6enabled to check ipv6 enabled on the platform

 - add miscellaneous changes to refactor unittest