Formatting.
Add 'suppressOverrideArgs'.
Ignore 'ghc-options' when parsing 'ghc --info' output.

Fixes #1438.
Rearrange the code a bit.
Merge pull request #1440 from 23Skidoo/ghc-info-ignore-ghc-options

Ignore 'ghc-options' when parsing 'ghc --info' output.