[fix] Elipsis for list items in relic description

+ no wrap
[fix] Overflow hidden for relic description
[fix] elipsis for links
[perf] Improve polish map, less sql queries
[fix?] Attempt to make the abort for upload work

only for photos so far
[458] Canceling file upload
Enable CORS
[fix] Show uploaded and not saved photos/docs 

only to creator
Walking guide skeleton (WIP)
Import angular setup from branch feature/add-new-relic-rewrite
[no review]
An early version of the "walking guide" widget
Display actual relics as suggestions
Reset map if there's no relics selected
Make relics sortable
Add validations to searchForm; implement form reset
Handle empty suggestions list
Handle pagination of relics suggestions
Filter suggestions rather than removing them after selection
Implement CRUD actions for the walking guide widget
[fix] Sorting