build.xml does also css validation, although RAP introduces properties not recognized by the default CSS validator, the result of the validation is written as errors.html
there is also a Eclipse builder configuration prepared to call this ANT script at every change to a css file, but it is currently deactivated, because of a problem with the timestamp detection)
using partial scss files for imports
replace theme contribution by sass imports in default-rap23.css, note that there import declarations are placed at the end of the file to override rule definitions matching names within that file
(https://github.com/Polymap4/polymap4-rhei/issues/issue/13)
Integrated SASS (http://sass-lang.com/) compiler
Signed-off-by: Joerg Reichert joerg@mapzone.io