Sahi Pro - Including sahi script globally

userdata/scripts/global_include.sah file is added as an included script file for every script that is played back through Sahi. The methods and variables contained in the global_include.sah will be available to all the script file that run.

global_include.sah must always be present at the root of scripts folder. If you have manually configured more than one scripts folder, the global_include.sah from the respective root folders will be considered. In case a script root folder doesn't have global_include.sah file, user will see an error on console reporting the same.