add static validation script

#!/bin/bash

#

# Validate syntax and keywords existance in each Robot file

res=0

for i in */*/*.robot ; do

	[[ "$i" != *"Keywords.robot"* && "$i" != *"Keyword.robot"* ]] && \

	(echo "++++ Dryrun $i" && \

	robot --dryrun --output NONE --report NONE --log NONE $i || \

	(echo "++++ Issues in file $i" && res=1));

done

exit $res