Created hot fix version 2.15.15
Improved proxy ping
Improved exception reporting, adding also objects to JSON functionality
Cleaned up TAG creations
Improved exception logging
Added JSONException, without reporting the error. It's a common error to receive wrong answers due to the proxy servers between the request and the geoIP services
Merge branch 'hotfix/2.15.15' into develop

Conflicts:
	proxy-settings/src/main/java/com/lechucksoftware/proxy/proxysettings/utils/startup/StartupAction.java
Changed APL API in order to return only Proxy standard class instead of too complicated ProxyConfiguration class
Merged AccessPoint class with ProxyConfiguration class
Cleaning up APL after ProxyConfiguration and AccessPoint merge
Added build number and simple footer for Wi-Fi access points list