clean up some code
Exit-Object: add possibility to create a new subroom
*added new error logger
Merge branch 'develop' of https://github.com/open-steam/webarena into develop
*changed name parent to environment
clean up some code (restored commit)
Exit-Object: add possibility to create a new subroom (restored commit)
delete an old config file on server side (probably debris from a bachelor thesis merge)
Change the actionsheet from horizontal to vertical menu structure
solve the bug with moving objects without pressing a mouse key
Merge branch 'develop' into thesis/evaluationLogic

Conflicts:
	package.json
	source/Client/ObjectManager.js
	source/Client/guis.common/javascript/1.toolbar.js
	source/Server/BuildTool.js
	source/error/error.log
	source/server.js
merge