CBQE-0: add logs in create_windows_info

http://qa.hq.northscale.net/job/win_2012_x64--24_06--failover-P0/13/console

Exception in thread uninstaller-thread-172.23.106.183:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/local/lib/python2.7/threading.py", line 763, in run
    self.__target(*self.__args, **self.__kwargs)
  File "scripts/install.py", line 104, in uninstall
    remote_client.membase_uninstall()
  File "lib/remote/remote_util.py", line 1308, in membase_uninstall
    self.info = self.extract_remote_info()
  File "lib/remote/remote_util.py", line 1586, in extract_remote_info
    info.ram = self.get_ram_info(win_info)
  File "lib/remote/remote_util.py", line 1653, in get_ram_info
    o = "Virtual Memory Max Size =" + win_info['Virtual Memory Max Size'] + '\n'
KeyError: 'Virtual Memory Max Size'

Change-Id: Ic262a0c32e0f90b89e16c9014d06263bac55b706
Reviewed-on: http://review.couchbase.org/34927
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>