Merge pull request #4 from dror-g/patch-1

ZCLOUD-111/132/142 fixes
ZCLOUD-133 Download tarballs from repos.zend.com instead of git repository
Update README.md
Update README.md
Update README.md
Merge pull request #6 from dintel/master

ZCLOUD-133 Download tarballs from repos.zend.com instead of git reposito...
Merged upstream