Merge pull request #53 from cpeterso/cpeterso/relax-accuracy-limit

Relax accuracy limit from 500 meter to 1000 meter radius
Merge pull request #52 from cpeterso/cpeterso/update-sdk

Update Android SDK to 22.0.5, Build Tools to 18.0.1, and API Level to 18
Merge pull request #50 from cpeterso/cpeterso/remove-stuff

Remove stuff
Reporter.java: fix style nits
Don't submit malformed reports after a JSONException
Extract BSSID+SSID hashing into a separate method