Fixes missing EOF newlines.
Merge pull request #678 from gorakhargosh/lgtm-fixes-missing-eof-newlines

Fixes missing EOF newline warnings in a couple header files.
Don't parse static values in declarations

Ruby sass has some smarts around determining whether a declarations
value needs to be parsed i.e. if it has function calls for interpolants.
The value looks static it's left untouched.
Merge pull request #679 from xzyfer/feat/skip-static-values

Don't parse static values in declarations