Draft: Few fixes, mainly frontend issues
- Keep period when switching views using breadcrumbs
- Fix label for statically loaded map - it used to be "undefined"
- Keep period when switching view to "my devices" for statically loaded devices
- Keep period when adding/removing device tokens
- Fix multiline graphs in My devices & static load
- Fix main navigation links for views without params (it used to broke vizapp & pwned views)
- Fixed typo in one of SQL queries