change s3_website version to 1.8.1
change s3_website version to 1.8.1

kemiz/gigaspaces-wiki-jekyll,yohanakh/gigaspaces-wiki-jekyll,kemiz/gigaspaces-wiki-jekyll,barakb/gigaspaces-wiki-jekyll,hagaiGS/gigaspaces-wiki-jekyll,kemiz/gigaspaces-wiki-jekyll,hagaiGS/gigaspaces-wiki-jekyll,yohanakh/gigaspaces-wiki-jekyll,hagaiGS/gigaspaces-wiki-jekyll,kemiz/gigaspaces-wiki-jekyll,yohanakh/gigaspaces-wiki-jekyll,yohanakh/gigaspaces-wiki-jekyll,barakb/gigaspaces-wiki-jekyll,barakb/gigaspaces-wiki-jekyll,barakb/gigaspaces-wiki-jekyll,kemiz/gigaspaces-wiki-jekyll,hagaiGS/gigaspaces-wiki-jekyll