Remove formatoptions-=croql as it is indeed intrusive

https://groups.google.com/forum/#!msg/vim_dev/EKDS1PP4rPo/ifLO6FFNqe4J

Thanks to glts for alerting me to this thread! #33
Merge branch 'formatoptions'

* formatoptions:
  Remove formatoptions-=croql as it is indeed intrusive

Closes #33