added stock out warning icon
hide chart/ stock out warning when stock count is not available
refactored missing count check and stock count interval date list
refactor status setter function and fixed minor indentation issues
changed waste count list source and behaviour (can add discard count any day)
Merge branch 'develop' into refactor/minor-updates

Conflicts:
	app/views/dashboard/dashboard.html
Merge pull request #290 from musamusa/refactor/minor-updates

Refactor/minor updates