Remove MiqSshUtilV1 as Net::SSH V2.x is used by CFME 5.2+.
Use Tempfile in MiqSshUtil#temp_cmd_file

to create a temporary file.
Add spec lib/spec/util/miq_ssh_util_v2_spec.rb.
Merge pull request #336 from lfu/ssh_temp_file_1107533

Use Tempfile in MiqSshUtil#temp_cmd_file.
remove temporary CA
# This is a combination of 2 commits.
# The first commit's message is:

Convert Certificate Authority to use certmonger

# The 2nd commit message will be skipped:

#	fixup! Convert
Convert Certificate Authority to use certmonger
appliance_console_cli now uses certmonger

- added status information for users