Basic HTTP Handler

Makes POST requests and receiving a JSON string
Utils class for formatting URL string
Weather Object class
Weather JSON parsing class and logic
Extract icon logic to new method, fixes #5
Updated weather object to include temperature units, fixes #6
Moved weather units public members to weather object, fixes #7
Setting up AsyncTask with a progress dialog
Refactored HTTP handler to use GET connection
Added Internet permission + cleanup
Async execution logic, fixes #8
Temperature setter formats value
Fixed JSON parser icon logic
Updated WeatherObject to use generated ids
Method for showing today WeatherObject on Android views, fixes #9
Merge pull request #10 from Predator7/api-http-json

api http json