Allow more than one ssh_opts to be passed to Net::OpenSSH
Support LibVirt connect URI parameter (fix #291)

Try to get the value of a connect key from virtualization config options
if it has been specified as a reference, and use that with virsh as
connect URI. Also tries to fall back to use the default LibVirt
connection parameters.
updated version/changelog
add ksh to shells
only pass actual option strings to prevent ssh crashes
Merge remote-tracking branch 'sbertrang/fix-openssh-empty-options' into development
redirect stderr to /dev/null
do not call sprintf on undefined values to prevent warnings
Merge remote-tracking branch 'sbertrang/fix-ifconfig-warns-without-ip' into development
version bump
updates contributors and changelog
added screencasts to gitignore
make ssh probe for the right keys
fixed sed command changes mode of target file - #314
fixed rexify does not create projects due to missing file error - #318
changelog update, version update
added cloud_network function to manage networks in the cloud - #320
updated manifest
updated changelog
updated manifest