Merge branch '81-when-changing-default-project-id-make-sure-it-points-to-valid-project' into 'master'

disabling changing default project when project is invalid

Closes #81

See merge request !42

Resolve "mesh connector is down"

Closes #84

See merge request !41

Resolve "Annotations: description of a submap anchor"

Closes #62

See merge request !40

Resolve "'Clear' button function incomplete"

Closes #65

See merge request !39

Resolve "Annotations: reaction decription"

Closes #61

See merge request !38

when searching by id "_" are handled properly

Closes #52

See merge request !37

Resolve "highlighting element shouldn't refresh all highlighted elements"

Closes #119

See merge request !36