Merge pull request #758 from geektimecoil/remove-modules-update-gitignore

removed node_modules and updated gitignore so it doesn't get added again

Author: rgomezp

.gitignore

@@ -1,3 +1,4 @@
+node_modules/
 android/build
 ios/RCTOneSignal.xcodeproj/xcuserdata
 examples/CocoapodsDemo/node_modules
@@ -26,4 +27,4 @@ examples/RNOneSignal/ios/RNOneSignal.xcworkspace/xcuserdata
 ios/RCTOneSignal.xcodeproj/project.xcworkspace/xcshareddata
 examples/RNOneSignal/ios/Pods/Pods.xcodeproj/xcuserdata
 android/.idea
-images
+images