added .DS_Store in gitignore
added .DS_Store in gitignore

cobrateam/splinter,gjvis/splinter,myself659/splinter,nikolas/splinter,objarni/splinter,lrowe/splinter,lrowe/splinter,bmcculley/splinter,lrowe/splinter,bubenkoff/splinter,drptbl/splinter,nikolas/splinter,myself659/splinter,drptbl/splinter,bmcculley/splinter,underdogio/splinter,cobrateam/splinter,gjvis/splinter,objarni/splinter,bmcculley/splinter,underdogio/splinter,drptbl/splinter,cobrateam/splinter,nikolas/splinter,gjvis/splinter,underdogio/splinter,bubenkoff/splinter,myself659/splinter,objarni/splinter