Update README.md

Added link to wiki
Merge pull request #6 from unlight/feature/lower-login

Login (email) is case-insensitive now
Add my trips
Use usemin
Merge remote branch '3dev/dev' into dev
Make public/js/directives.js minification friendly
added trip.getPassengers functionality
Merge pull request #10 from argeriskul/trip

added trip.getPassengers functionality
Merge pull request #7 from unlight/feature/trips-api

Implemented documented API methods for TripModel
Merge pull request #8 from unlight/feature/minification

Minification
Merge pull request #9 from unlight/feature/tiny-improvements

Make public/js/directives.js minification friendly
Merge branch 'dev' into unstable