Update .gitignore.
Update .gitignore.

kevinmeredith/spire,codeaudit/spire,siddhartha-gadgil/spire,JackSullivan/spire,AlecZorab/spire,adampingel/spire,siddhartha-gadgil/spire,guersam/spire,tixxit/spire,JackSullivan/spire,woparry/spire,rklaehn/spire,guersam/spire,rklaehn/spire,adampingel/spire,tixxit/spire,kevinmeredith/spire,non/spire,AlecZorab/spire,non/spire,woparry/spire,codeaudit/spire