Give details about DEM (fixes #1227)
Fix elevation info not being computed when intervention is created (ref #1221)
Fix list of values for infrastructure and signage types (fixes #1223)
Signages can now be lines  (fixes #1141)
Fix HTML tags in PDF exports (fixes #1235)
Fix URL error with Geotrek light
Merge pull request #1238 from makinacorpus/various_bug_fixes

Various bug fixes