ILS Title Length fix
- The ILS title expands up to 80% of the top bar. After that it gets clipped with ellipsis (...)
- The default background image is also cached
Merge pull request #205 from react-epfl/ILS_Title_fix_#203

ILS Title Length fix
Simplification of data flow between methods and refactoring.
Fixes typo.
Merge branch 'feat169/metawidgetEfficiency'
Fixes conflicts
Visualize graasp file content. Closes #204
Merge pull request #207 from react-epfl/feat204/graaspFiles

Visualise graasp file content. Closes #204
Implement a gadget to show online users. Closes #179
added starorf dna lab
Merge pull request #208 from react-epfl/add-dna-lab

added starorf dna lab
Merge pull request #183 from react-epfl/feat179/onlineUsers

Online users gadget
Checks description and reuses resource URL. Closes #211
Merge pull request #212 from react-epfl/fix211/ilsDescription

Checks description and reuses resource URL. Closes #211