pkgtools: update doc for bug fixes

1. Fixed the doc bug to keep '--' intact in the source.
2. Updated the doc to simplify the installation procedure.

Change-Id: Ie35d47d061310f2255d2ea066de51c21fa4738f5
Issue-ID: VNFSDK-325
Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>
1 file changed
tree: 98e1579a4d959ac243321210608bafc57a8e200a
  1. docs/
  2. sandbox/
  3. .gitreview
  4. INFO.yaml