Merge with upstream and corrections

modified:   ../.gitignore
Cleanup and simplification

modified:   Data-Analysis-Report.Rmd
Updated date to reflect updates in general

modified:   data-analysis.R
Commented out explicit path references to avoid conflicts

deleted:    ../data/data-analysis.tab
This file is generated during the analysis process, not to be included

new file:   ../data/data-simple-example.tab
This file was not present in my branch
Improved html rendering for 1-...
Update wrt Makefiles
Update wrt Makefiles (2)
Small updates to Rmd file
Updating 2- for Mardown
Merge pull request #3 from tverbeiren/master

Small improvements