output rsync command when running scaffold target
cleaning and updating requirements
Add support for setting PDF metadata, fixes #2

- templates/pdf.metadata is used to export metadata read from CV.md to cv.pdf
- exiftool is used to set metadata to generated cv.pdf output
improving README documentation

- moving Screenshots section to top
- renaming Screenshots section to Preview & Screenshots
- adding missing requirements (i.e. susy)
- adding Installation section
- adding Troubleshooting section
- fixing alignment in Metadata section
Merge branch 'devel'
add changelog