Ignore vim swp files.

Signed-off-by: Fam Zheng <famz@redhat.com>
Updated README.md

Signed-off-by: Fam Zheng <famz@redhat.com>
Introduce icon file.
install.rdf: Update introductive info

Name, URL, version, icon, description are updated.

Signed-off-by: Fam Zheng <famz@redhat.com>
options: More friendly option names and descriptions

Signed-off-by: Fam Zheng <famz@redhat.com>