Updated README.md file.
Updated module clv_survey (from branch 7.0-oehealth).
Included module clv_tag (from branch 7.0-oehealth).
Included annotation (from from clvsol_odoo_addons branch 8.0).
Updated module clv_annotation (code migration form Odoo 8.0 to 7.0).
Merge branch '7.0-clv_annotation' into 7.0
Merge branch '7.0' into 7.0-oehealth