platform configurations

added android platforms config to the project
Creation of Entities

Creation of Driver, Passenger and User Entities along with the
UserFactory.
Merge branch 'master' into own
Jars configs

Addition of lib (jars) that will be used in the program
MonliftServlet used as a test servlet

monlift servlet used as test servlet while implementing tests
Creation of UserFactory and its JUnit tests

userFactory handles all operation to be done on users.
Merge branch 'own'
Merge branch 'master' of https://github.com/thefuture2092/monlift