Rebase node-xcode fork to get latest fixes for iOS

[rosen-vladimirov]

Is your feature request related to a problem? Please describe.
We need to rebase node-xcode library to get latest fixes. However, this requires testing of all the features that we are currently using (listed below).

Acceptance criteria

• Add plugin with .framework. Ensure the build operation includes the framework and it can be used at runtime. Remove the plugin with tns plugin remove .... Ensure the framework is removed from Xcode project.
• Add plugin with static lib. Ensure the build operation includes the framework and it can be used at runtime. Remove the plugin with tns plugin remove .... Ensure the framework is removed from Xcode project.
• Add native source code to application (i.e. Objective-C files). Build the application and ensure the files are used. Remove the source code, build the application and ensure the files are not included in Xcode as resources for the current project.
• Ensure correct images are used by iOS application - both icons and splash screens. You can change them and run the app on device - ensure the new images are used.