fix build on mac
Merge branch 'develop'
Fixed missing ; in HMTL_ESCAPE for <> "
cmake improvements
Added process-instant-template command line option
Fixed an issue that could cause to paths to not be determined correctly on Unix based operating systems. Furthermore absolute paths are now normalized instead of using the provided path directly.
Added TO_CSV conversion tag. This can be used for putting text items in quotes correctly when creating CSV tables.
Added TO_SIZE conversion tag. This tag can be used for determinating the size of text entries.