Don't forget previous set "$packages"
Properly detect Oracle Linux. Fixes #335. Fixes #271.
Allow Oracle Entprise Linux to get treated the same as CentOS
Adapt the Oracle Linux install functions to proper matching ones.
Add Oracle Linux to supported distributions list
Update changes log
Merge pull request #342 from s0undt3ch/develop

Oracle Linux Detection/Support
Properly detect Scientific Linux. Refs #343.
Properly support Scientific Linux. Fixes #343.
Add Scientific Linux to the supported distributions.
Update changes log
Merge pull request #345 from s0undt3ch/develop

Add Scientific Linux Support
Fix minor typo
gitignore vim swap files
Add support for preseeding minion id
Merge pull request #347 from JensRantil/gitignore-vim

gitignore vim swap files
Also set `$_SALT_ETC_DIR/minion_d`

This is technically not necessary since `id:` overrides it, but I think
it's more transparent.
Not preseeding `99-minion-id.conf`

It's not necessary. `$_SALT_ETC_DIR/minion_id` is enough.
Make sure $_SALT_ETC_DIR is created

Defensive programming...
Merge pull request #346 from JensRantil/fix-typo

Fix minor typo