Hi Sam,
the folder www/lib is in the .gitignore file, so sending your repository shouldn't make a difference because those files aren't uploaded.
You need to check the lib folder in your project and make sure it has all these libraries inside:
https://github.com/sam-suresh/moodlemobile-phonegapbuild/tree/master/lib
Please make sure you've followed this guide:
https://docs.moodle.org/dev/Setting_up_your_development_environment_for_Moodle_Mobile_2
Cheers,
Dani