Add dummy logging with ressourced messages. The hack in icon.rc is necessary as with mingw 3.0 there appears to be a problem to include multiple resources after another. The data is included but the sections are not detected correctly in windows. Combining them in a single resource fixes this.

aheinecke@intevation.de=Andre Heinecke
andre.heinecke@intevation.de=Andre Heinecke
bernhard@intevation.de=Bernhard Reiter
rrenkert@intevation.de=Raimund Renkert
wilde@intevation.de=Sascha Wilde
emanuel@intevation.de=Emanuel Schütze