CLOUDSTACK-7633: fix "Provides" in most LSB headers

In init.d scripts, the LSB header may specify what kind of service is
provided by an init script. If spaces are used, this means the init
script is providing several boot facilities. We fix that by using an
hyphen.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>