Test if individual gitfs remote is string

https://github.com/saltstack-formulas/salt-formula/issues/64

Fixes issue where a gitfs remote that has no child options would cause an
error. Also fix up bad yaml in pillar example.
Merge pull request #65 from PlayFab/master

Test if individual gitfs remote is string
Removing unnecessary -

I don't understand why unnecessary ``-`` were added after and before ``{%-`` and ``-%}``