Feature/228 warning user without worker

Closes #228 and #239

See merge request NCER-PD/scheduling-system!165

Fixes issue #237 and #232 (duplicate). Added file web/views/daily_planning.py…

Closes #237 and #232

See merge request NCER-PD/scheduling-system!164

Issue #239 Removed get_details method and changed extend_context method to use Worker.get_by_user. Enhancement: now the superuser also shows a name in the upper right corner or its username if no full_name is available.

Fixes issue #237 and #232 (duplicate). Added file web/views/daily_planning.py with class TemplateDailyPlannerView

added role column to worker list. Issue #238

See merge request NCER-PD/scheduling-system!162

Fixes issue #233 . Rol 'Project Manager' added

Closes #233

See merge request NCER-PD/scheduling-system!161

Bug/migration problem issue 236 master

See merge request NCER-PD/scheduling-system!160

Revert "Merge branch 'bug/migration_problem_issue_236_devel' into 'master'"

See merge request NCER-PD/scheduling-system!159

This reverts merge request !157

Bug/migration problem issue 236 devel

See merge request NCER-PD/scheduling-system!157

Fixed point 1 of issue #236 enforcing version 1.9.0 in the requirements-dev.txt. All test passed locally.

Resolve "settings.py"

See merge request NCER-PD/scheduling-system!156

Resolve "python pip version errors"

See merge request NCER-PD/scheduling-system!155

Merge branch '221-name-of-the-voucher-partner-shouldn-t-be-split-into-first-name-last-name' into 'master'

Resolve "name of the voucher partner shouldn't be split into first name/last name"

Closes #221

See merge request NCER-PD/scheduling-system!153

Resolve "exceeded visit status"

Closes #219

See merge request NCER-PD/scheduling-system!152

Resolve "voucher should have optional activy type (free text)"

Closes #223

See merge request NCER-PD/scheduling-system!151

Resolve "voucher number"

Closes #225

See merge request NCER-PD/scheduling-system!149

Resolve "voucher number should be shorter by one digit"

Closes #226

See merge request NCER-PD/scheduling-system!148

Resolve "printing documents doesn't replace data from tables"

Closes #227

See merge request NCER-PD/scheduling-system!147

Resolve "adding worker with password missmatch"

Closes #220

See merge request NCER-PD/scheduling-system!146

Resolve "templates with flying team name containing unicode characters crash"

See merge request NCER-PD/scheduling-system!154