initial checkin from subversion

server/extractPic.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Param1 -> name of the JSON-tag
+# Param2 -> name of the input file
+# Param3 -> name of the output file
+
+grep "\"$1\":" "$2" | awk -F '"' '{ print $4; }' | base64 -d > $3