Merge pull request #488 from BranchMetrics/update-gitignore-staging

Updated .gitignore file.

Author: E-B-Smith

.gitignore

@@ -1,10 +1,19 @@
-Pods/
-carthage-files/*.zip
-carthage-files/Carthage
+# Mac
+.DS_Store
+.LSOverride
+
+# Xcode
+[Bb]uild
 *.xcuserstate
 *.xcuserdatad
-*.DS_Store
 *.xcscmblueprint
+*.o
+
+# Pods
+Pods/
 
 # Carthage
 Carthage/Build
+carthage-files/*.zip
+carthage-files/Carthage
+