added utils/debug-log/0 to create log functions printing to stdout for debugging
ext-utils: monitor-process now returns {:success exit-code}, added wrap-run for simple executions that either waits for completion or grabs exit-code from an exitcode file
using wrap-run macro in wrfxlib, geogrid task now tested and working
Merge branch 'master' of ssh://github.com/vejmelkam/wrfx2