remove reference to 1.2 version
use /var/tmp in the examples instead of /tmp since, on a default XiVO installation, 90% of the disk is assigned /var. Add also warning to check the disk free space.
Merge branch 'master' of github.com:xivo-pbx/xivo-doc
Merge branch 'master' of github.com:xivo-pbx/xivo-doc
Merge branch 'master' of github.com:xivo-pbx/xivo-doc