GROOVY-6294 added System.currentTimeSeconds() which returns System.currentTimeMillis()/1000
GROOVY-6294 added System.currentTimeSeconds() which returns System.currentTimeMillis()/1000
Merge branch 'GROOVY-6294' of https://github.com/kentis/groovy-core into GROOVY-6294
Merge branch 'GROOVY-6294' of https://github.com/kentis/groovy-core into GROOVY-6294
Merge branch 'GROOVY-6294' of https://github.com/kentis/groovy-core into GROOVY-6294
Merge pull request #469 from kentis/GROOVY-6294

Groovy 6294: add System.currentTimeSeconds()