Updates to angular 8 and updates all used components
- removed wrapper class for ngx/pwa LocalStorrace
- removed database lock service due to bugs
- tried to work around a cycle of dependancies
- changed some structure to be more close to default angular
- removed legacy angular packages
- removed date-picker since it was not currently used and
is not compatible anymore
- upgrade tinyMCE
- Added a custom palette (`#c31c23`)
- Set the new primary palette for dark theme
Changes some styles depending on theme
- Removed hard-coded colors
- Set color depending on theme
Prettified
- Projector base template
- Projection button
- projection dialog
- motion slide (template and motions/projector.py)
- user slide (template and users/projector.py)
- motion and user list view with projector column permission check.
