Allow Oracle Entprise Linux to get treated the same as CentOS
Verify if the Upstart config file for Salt are installed. If not, use
SysV scripts.

Upstart config files are not packages yet.
Use `init.d` while the RPM's also use it

Fixes #329
Bump version to 2014.02.27
Loose bashism. "Invert" logic.
Add `__check_services_sysvinit` for SysV init systems.

Drop bashism and use `__check_services_sysvinit` instead.
Allow ubuntu systems still in SysV to check for services.
Add debian based distro specific SysV init check
Only check for SysV
Update the changes log
Bump version
The upstart files have the `.conf` extension
Missed one
Fix the debian check services function
Update changes log
Don't forget previous set "$packages"
Properly detect Oracle Linux. Fixes #335. Fixes #271.
Adapt the Oracle Linux install functions to proper matching ones.