Merge pull request #144 from camunda/modeler-2-3-0

Add test results camunda Modeler 2 3 0
Modified the A.1.0 - A.3.0 export files in order to make them compatible with the xpath tool (naming issues not related to interoperability).
Updated Trisotech BPMN Web Modeler 4.1.1 to BPMN Web Modeler 4.1.8
Added template for RTF proposals.
Mention tool report in documentation
Add PNG images of all reference models
Add prototyp of comparison between import results and reference models
Added missing BPMNLabelStyle element #142
Add prototype of JSON result file
Renamed file to fit naming convention
Fix JSON format
Migrate data from spreadsheet
Add note property to all entries
Add missing company names
Add some links
Add link
Fix typo
Add open source flag
updated vendor information for itp
Update tools-tested-by-miwg.json