Unify Godoc formatting, fix various typos

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>
Add several missing pkg Godoc files

Signed-off-by: Vojtech Vitek (V-Teq) <vvitek@redhat.com>
Merge pull request #1129 from VojtechVitek/godoc

Godoc improvements