Merge pull request #1 from deepakkumarnd/dev

add load path for loading files.
setup for building the gem
setup rspec testing framework
move require open_weather_api to spec_helper
Merge pull request #2 from deepakkumarnd/build_gem

Build gem, Rspec setup
get current weather info by city, city id or latitude and longitude
Merge pull request #3 from 42races/current_weather

get current weather info by city, city id or latitude and longitude
public apis added for Current weather
by city name
by city id
by city geo coordinates