Saving worksheet mapping + new spreadsheet model
Merge branch 'master' of https://github.com/KWARC/Sally

Conflicts:
	sally_app/session.log
	sally_spreadsheet/iui-model.rdf
	sally_spreadsheet/iui-model.rdf.64
	sally_spreadsheet/src/test/java/info/kwarc/sissi/model/document/spreadsheet/IUIPaperData.java
Git testing
Merge pull request #2 from akohlhase/master

Updated IUIPaper data
Author reset
JUnits added
Getting correct cell relations
Remerge with master
Merge pull request #1 from cliguda/master

Saving worksheet mapping + new spreadsheet model (start)
updates in communication and LibreAlex
merging with stuff from Christian
pricing service demoable
updated workflows and main executable
beautifying pricing service
mergin Andrea's changes
updated workflows for CAD
adding explanation parameter to SallyMenuItems
adding process instance id
Merge branch 'master' of https://github.com/KWARC/Sally
Small fix to show only file names (not whole path) in menus