Merge pull request #1547 from modocache/xcode-ignore-xcscmblueprint

[ObjC][Swift] Ignore Xcode SCM blueprint files

Objective-C.gitignore

@@ -21,6 +21,7 @@ xcuserdata
 *.xccheckout
 *.moved-aside
 *.xcuserstate
+*.xcscmblueprint
 
 ## Obj-C/Swift specific
 *.hmap

Swift.gitignore

@@ -21,6 +21,7 @@ xcuserdata
 *.xccheckout
 *.moved-aside
 *.xcuserstate
+*.xcscmblueprint
 
 ## Obj-C/Swift specific
 *.hmap