Add total_value funcionality to proposal_services and minor fixes on proposal's forms
Merge branch 'proposal_charter_CRUD' of https://github.com/4Soft/gepe-manager into proposal_charter_CRUD
Merge branch 'proposal_charter_CRUD' of https://github.com/4Soft/gepe-manager into proposal_charter_CRUD
Add discount field to proposal and some fixes on proposal's number's creation
Prepare files for deployment