shared.cfg: Add remote host parameters to base.cfg.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
libvirt.tests: Remove remote host parameters.

Uniform remote parameters to base.cfg.Then there is no need
to configure in every 'test'.cfg.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
libvirt.tests: Fix seaching error for remote domstate.

Output from remote host may contain space lines, directly
matched will not work.So replace it with searching.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
libvirt.tests: Add local_pwd parameter for libvirt test module.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
Merge pull request #1190 from yumingfei/virsh_remote

libvirt.tests: Move remote about parameters to base.cfg