Fix unclosed div tag
*8995* Make submission step subclass options more flexible
*8995* Submodule update
*9002* Submodule update
Submodule update
Submodule update
*9005* Submodule changes track
Submodule update
Make travis build fail on linting failure
Submodule update
Fix uncompilable library with new lessphp
*8998* Fix full DB fetch of reviewer information
*9011* Remove scrollable tabs plugin
*9012* Move pnotify to submodule
*8336* Fixed stage participants cutoff issue
*8336* Submodule update ##MichaelThessel/master##
Merge pull request #353 from MichaelThessel/master

*8336* Fixed stage participants cutoff issue
*8774* Introduce css changes
*8774* Adapted category grids to the new get category data interface
*8774* Submodule changes