csit rls1701 report edits:

- simplified section structure for clarity and readability,
- updated overview sections,
- moved not rls related content from rls_notes to overview sections,
- removed section title suffixes: HW, VIRL.
- completed vpp_unit_tests and vpp_unittest_results sections.
- updated all documentation sections.
- updated rls_notes sections for vpp performance and vpp functional.

Change-Id: Id2c2abbf9d3531ec9f63ecd353f385a0b55ae1ba
Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>
Signed-off-by: pmikus <pmikus@cisco.com>
Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>
Signed-off-by: pmikus <pmikus@cisco.com>
Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>