Merge pull request #646 from caktus/develop

v0.8.1
Merge pull request #650 from caktus/develop

v0.8.2
Version bump to 0.8.2
refs #639 - Added schedule link to mobile navbar
Refs #656: Link from invoice to outstanding hours page

Branch: feature/656-link-from-invoice-to-outstanding-hours
Refs #587: ProjectHours hours must be positive

Branch: bug/587-positive-projecthours
Merge pull request #654 from caktus/feature/schedule-link

refs #639 - Added schedule link to mobile navbar
Merge pull request #656 from caktus/feature/656-link-from-invoice-to-outstanding-hours

Add link to Outstanding Hours page from Invoice Detail page
Merge pull request #587 from caktus/bug/587-positive-projecthours

Require ProjectHours.hours > 0
Merge branch 'develop' into fix/schedule