Update installation.markdown
Update installation.markdown

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